Q: What is the sum of all factors of the number 422,720 excluding 422,720?

 A: 584,644

Why is 584,644 the sum of all factors of 422,720, excluding 422,720?

The factors of the number 422,720 are: 1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 1321, 2642, 5284, 6605, 10568, 13210, 21136, 26420, 42272, 52840, 84544, 105680, 211360, 422720.

If you add them up, you will get the total of 423,304. Now subtract 422,720 to get 584,644


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