Is 690 an abundant number and what is its abundance?

Is 690 an abundant number?

Here we will explain and calculate if 690 is an abundant number and its abundance if applicable.

690 is an abundant number if the sum of its proper divisors is greater than 690.

The sum of its proper divisors is calculated as follows: 1 + 2 + 3 + 5 + 6 + 10 + 15 + 23 + 30 + 46 + 69 + 115 + 138 + 230 + 345 = 1038.

1038 is greater than 690. Therefore, 690 is an abundant number.

The abundance of 690 is the sum of its proper divisors minus 690. Thus, the abundance of 690 is 1038 - 690 = 348

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