Q: What is the sum of all factors of the number 435,504 excluding 435,504?

A: 721,168

Why is 721,168 the sum of all factors of 435,504, excluding 435,504?

The factors of the number 435,504 are: 1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 86, 129, 172, 211, 258, 344, 422, 516, 633, 688, 844, 1032, 1266, 1688, 2064, 2532, 3376, 5064, 9073, 10128, 18146, 27219, 36292, 54438, 72584, 108876, 145168, 217752, 435504.

If you add them up, you will get the total of 436,225. Now subtract 435,504 to get 721,168