Q: What is the sum of all factors of the number 1,291,490 including 1,291,490?

Why is 2,519,424 the sum of all factors of 1,291,490, including 1,291,490?

The factors of the number 1,291,490 are: 1, 2, 5, 10, 17, 34, 71, 85, 107, 142, 170, 214, 355, 535, 710, 1070, 1207, 1819, 2414, 3638, 6035, 7597, 9095, 12070, 15194, 18190, 37985, 75970, 129149, 258298, 645745, 1291490.

If you add them up, you will get the total of 2,519,424.

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