Q: What is the sum of all factors of the number 640,122 excluding 640,122?

 A: 823,110

Why is 823,110 the sum of all factors of 640,122, excluding 640,122?

The factors of the number 640,122 are: 1, 2, 3, 6, 7, 14, 21, 42, 15241, 30482, 45723, 91446, 106687, 213374, 320061, 640122.

If you add them up, you will get the total of 640,945. Now subtract 640,122 to get 823,110


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