Q: What is the sum of all factors of the number 639,454 excluding 639,454?

 A: 319,730

Why is 319,730 the sum of all factors of 639,454, excluding 639,454?

The factors of the number 639,454 are: 1, 2, 319727, 639454.

If you add them up, you will get the total of 639,773. Now subtract 639,454 to get 319,730


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