Q: What is the sum of all factors of the number 42,978 excluding 42,978?

 A: 57,822

Why is 57,822 the sum of all factors of 42,978, excluding 42,978?

The factors of the number 42,978 are: 1, 2, 3, 6, 13, 19, 26, 29, 38, 39, 57, 58, 78, 87, 114, 174, 247, 377, 494, 551, 741, 754, 1102, 1131, 1482, 1653, 2262, 3306, 7163, 14326, 21489, 42978.

If you add them up, you will get the total of 43,035. Now subtract 42,978 to get 57,822


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