Is 3990 an abundant number and what is its abundance?

Is 3990 an abundant number?

Here we will explain and calculate if 3990 is an abundant number and its abundance if applicable.

3990 is an abundant number if the sum of its proper divisors is greater than 3990.

The sum of its proper divisors is calculated as follows: 1 + 2 + 3 + 5 + 6 + 7 + 10 + 14 + 15 + 19 + 21 + 30 + 35 + 38 + 42 + 57 + 70 + 95 + 105 + 114 + 133 + 190 + 210 + 266 + 285 + 399 + 570 + 665 + 798 + 1330 + 1995 = 7530.

7530 is greater than 3990. Therefore, 3990 is an abundant number.

The abundance of 3990 is the sum of its proper divisors minus 3990. Thus, the abundance of 3990 is 7530 - 3990 = 3540

Abundant Calculator
You can enter another number here to check if it is an abundant number:

Is 3991 an abundant number?
Go here for the next number on our list. Is it abundant?