Q: What is the sum of all factors of the number 312,504,440 excluding 312,504,440?

 A: 390,630,640

Why is 390,630,640 the sum of all factors of 312,504,440, excluding 312,504,440?

The factors of the number 312,504,440 are: 1, 2, 4, 5, 8, 10, 20, 40, 7812611, 15625222, 31250444, 39063055, 62500888, 78126110, 156252220, 312504440.

If you add them up, you will get the total of 312,504,830. Now subtract 312,504,440 to get 390,630,640


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