Q: What is the sum of all factors of the number 38,430 excluding 38,430?

A: 77,634

Why is 77,634 the sum of all factors of 38,430, excluding 38,430?

The factors of the number 38,430 are: 1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 61, 63, 70, 90, 105, 122, 126, 183, 210, 305, 315, 366, 427, 549, 610, 630, 854, 915, 1098, 1281, 1830, 2135, 2562, 2745, 3843, 4270, 5490, 6405, 7686, 12810, 19215, 38430.

If you add them up, you will get the total of 38,507. Now subtract 38,430 to get 77,634