Q: What is the sum of all factors of the number 640,665,422 excluding 640,665,422?

 A: 329,847,850

Why is 329,847,850 the sum of all factors of 640,665,422, excluding 640,665,422?

The factors of the number 640,665,422 are: 1, 2, 101, 202, 3171611, 6343222, 320332711, 640665422.

If you add them up, you will get the total of 640,665,751. Now subtract 640,665,422 to get 329,847,850


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