Q: What is the sum of all factors of the number 393,760 excluding 393,760?

A: 586,016

Why is 586,016 the sum of all factors of 393,760, excluding 393,760?

The factors of the number 393,760 are: 1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 107, 115, 160, 184, 214, 230, 368, 428, 460, 535, 736, 856, 920, 1070, 1712, 1840, 2140, 2461, 3424, 3680, 4280, 4922, 8560, 9844, 12305, 17120, 19688, 24610, 39376, 49220, 78752, 98440, 196880, 393760.

If you add them up, you will get the total of 394,346. Now subtract 393,760 to get 586,016