Q: What is the sum of all factors of the number 394,390 excluding 394,390?

A: 315,530

Why is 315,530 the sum of all factors of 394,390, excluding 394,390?

The factors of the number 394,390 are: 1, 2, 5, 10, 39439, 78878, 197195, 394390.

If you add them up, you will get the total of 394,705. Now subtract 394,390 to get 315,530

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