Is 390 an abundant number and what is its abundance?

Is 390 an abundant number?

Here we will explain and calculate if 390 is an abundant number and its abundance if applicable.

390 is an abundant number if the sum of its proper divisors is greater than 390.

The sum of its proper divisors is calculated as follows: 1 + 2 + 3 + 5 + 6 + 10 + 13 + 15 + 26 + 30 + 39 + 65 + 78 + 130 + 195 = 618.

618 is greater than 390. Therefore, 390 is an abundant number.

The abundance of 390 is the sum of its proper divisors minus 390. Thus, the abundance of 390 is 618 - 390 = 228

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