Q: What is the sum of all factors of the number 272,420 excluding 272,420?

 A: 312,724

Why is 312,724 the sum of all factors of 272,420, excluding 272,420?

The factors of the number 272,420 are: 1, 2, 4, 5, 10, 20, 53, 106, 212, 257, 265, 514, 530, 1028, 1060, 1285, 2570, 5140, 13621, 27242, 54484, 68105, 136210, 272420.

If you add them up, you will get the total of 272,732. Now subtract 272,420 to get 312,724


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