Q: What is the sum of all factors of the number 279,630 excluding 279,630?

A: 506,610

Why is 506,610 the sum of all factors of 279,630, excluding 279,630?

The factors of the number 279,630 are: 1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 239, 390, 478, 585, 717, 1170, 1195, 1434, 2151, 2390, 3107, 3585, 4302, 6214, 7170, 9321, 10755, 15535, 18642, 21510, 27963, 31070, 46605, 55926, 93210, 139815, 279630.

If you add them up, you will get the total of 280,136. Now subtract 279,630 to get 506,610