Q: What is the sum of all factors of the number 640,222 excluding 640,222?

 A: 407,450

Why is 407,450 the sum of all factors of 640,222, excluding 640,222?

The factors of the number 640,222 are: 1, 2, 11, 22, 29101, 58202, 320111, 640222.

If you add them up, you will get the total of 640,629. Now subtract 640,222 to get 407,450


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