Q: What is the sum of all factors of the number 1,728,440 including 1,728,440?

Why is 4,445,280 the sum of all factors of 1,728,440, including 1,728,440?

The factors of the number 1,728,440 are: 1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 6173, 12346, 24692, 30865, 43211, 49384, 61730, 86422, 123460, 172844, 216055, 246920, 345688, 432110, 864220, 1728440.

If you add them up, you will get the total of 4,445,280.

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