Q: What is the sum of all factors of the number 664,660 excluding 664,660?

 A: 746,540

Why is 746,540 the sum of all factors of 664,660, excluding 664,660?

The factors of the number 664,660 are: 1, 2, 4, 5, 10, 20, 167, 199, 334, 398, 668, 796, 835, 995, 1670, 1990, 3340, 3980, 33233, 66466, 132932, 166165, 332330, 664660.

If you add them up, you will get the total of 665,406. Now subtract 664,660 to get 746,540


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