Q: What is the sum of all factors of the number 637,661,540 excluding 637,661,540?

 A: 701,427,736

Why is 701,427,736 the sum of all factors of 637,661,540, excluding 637,661,540?

The factors of the number 637,661,540 are: 1, 2, 4, 5, 10, 20, 31883077, 63766154, 127532308, 159415385, 318830770, 637661540.

If you add them up, you will get the total of 637,662,241. Now subtract 637,661,540 to get 701,427,736


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