Q: What is the sum of all factors of the number 428,685 excluding 428,685?

 A: 257,235

Why is 257,235 the sum of all factors of 428,685, excluding 428,685?

The factors of the number 428,685 are: 1, 3, 5, 15, 28579, 85737, 142895, 428685.

If you add them up, you will get the total of 428,942. Now subtract 428,685 to get 257,235


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