Q: What is the sum of all factors of the number 310,720 excluding 310,720?

 A: 429,944

Why is 429,944 the sum of all factors of 310,720, excluding 310,720?

The factors of the number 310,720 are: 1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 971, 1942, 3884, 4855, 7768, 9710, 15536, 19420, 31072, 38840, 62144, 77680, 155360, 310720.

If you add them up, you will get the total of 311,149. Now subtract 310,720 to get 429,944


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