Q: What is the sum of all factors of the number 420,421,406 excluding 420,421,406?

 A: 224,876,698

Why is 224,876,698 the sum of all factors of 420,421,406, excluding 420,421,406?

The factors of the number 420,421,406 are: 1, 2, 43, 86, 4888621, 9777242, 210210703, 420421406.

If you add them up, you will get the total of 420,421,630. Now subtract 420,421,406 to get 224,876,698


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