Q: What is the sum of all factors of the number 640,916 excluding 640,916?

 A: 488,716

Why is 488,716 the sum of all factors of 640,916, excluding 640,916?

The factors of the number 640,916 are: 1, 2, 4, 163, 326, 652, 983, 1966, 3932, 160229, 320458, 640916.

If you add them up, you will get the total of 641,404. Now subtract 640,916 to get 488,716


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