Q: What is the sum of all factors of the number 299,780 excluding 299,780?

 A: 378,772

Why is 378,772 the sum of all factors of 299,780, excluding 299,780?

The factors of the number 299,780 are: 1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1153, 2306, 4612, 5765, 11530, 14989, 23060, 29978, 59956, 74945, 149890, 299780.

If you add them up, you will get the total of 300,158. Now subtract 299,780 to get 378,772


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