Q: What is the sum of all factors of the number 521,320,130 excluding 521,320,130?

 A: 472,255,030

Why is 472,255,030 the sum of all factors of 521,320,130, excluding 521,320,130?

The factors of the number 521,320,130 are: 1, 2, 5, 10, 17, 34, 85, 170, 3066589, 6133178, 15332945, 30665890, 52132013, 104264026, 260660065, 521320130.

If you add them up, you will get the total of 521,320,602. Now subtract 521,320,130 to get 472,255,030


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