Q: What is the sum of all factors of the number 861,810 including 861,810?

Why is 2,160,000 the sum of all factors of 861,810, including 861,810?

The factors of the number 861,810 are: 1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 1249, 2498, 3747, 6245, 7494, 12490, 18735, 28727, 37470, 57454, 86181, 143635, 172362, 287270, 430905, 861810.

If you add them up, you will get the total of 2,160,000.

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