Q: What is the sum of all factors of the number 469,840 excluding 469,840?

A: 780,080

Why is 780,080 the sum of all factors of 469,840, excluding 469,840?

The factors of the number 469,840 are: 1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 839, 1678, 3356, 4195, 5873, 6712, 8390, 11746, 13424, 16780, 23492, 29365, 33560, 46984, 58730, 67120, 93968, 117460, 234920, 469840.

If you add them up, you will get the total of 470,620. Now subtract 469,840 to get 780,080