Q: What is the sum of all factors of the number 620,420 excluding 620,420?

 A: 704,764

Why is 704,764 the sum of all factors of 620,420, excluding 620,420?

The factors of the number 620,420 are: 1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 463, 670, 926, 1340, 1852, 2315, 4630, 9260, 31021, 62042, 124084, 155105, 310210, 620420.

If you add them up, you will get the total of 621,124. Now subtract 620,420 to get 704,764


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