Q: What is the sum of all factors of the number 280,284,880 excluding 280,284,880?

 A: 371,377,652

Why is 371,377,652 the sum of all factors of 280,284,880, excluding 280,284,880?

The factors of the number 280,284,880 are: 1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3503561, 7007122, 14014244, 17517805, 28028488, 35035610, 56056976, 70071220, 140142440, 280284880.

If you add them up, you will get the total of 280,285,251. Now subtract 280,284,880 to get 371,377,652


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