Q: What is the sum of all factors of the number 772,420 excluding 772,420?

 A: 997,628

Why is 997,628 the sum of all factors of 772,420, excluding 772,420?

The factors of the number 772,420 are: 1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 3511, 7022, 14044, 17555, 35110, 38621, 70220, 77242, 154484, 193105, 386210, 772420.

If you add them up, you will get the total of 773,417. Now subtract 772,420 to get 997,628


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