Q: What is the sum of all factors of the number 613,640 excluding 613,640?

A: 879,460

Why is 879,460 the sum of all factors of 613,640, excluding 613,640?

The factors of the number 613,640 are: 1, 2, 4, 5, 8, 10, 20, 23, 29, 40, 46, 58, 92, 115, 116, 145, 184, 230, 232, 290, 460, 529, 580, 667, 920, 1058, 1160, 1334, 2116, 2645, 2668, 3335, 4232, 5290, 5336, 6670, 10580, 13340, 15341, 21160, 26680, 30682, 61364, 76705, 122728, 153410, 306820, 613640.

If you add them up, you will get the total of 614,519. Now subtract 613,640 to get 879,460