Q: What is the sum of all factors of the number 1,072,420 including 1,072,420?

Why is 2,385,180 the sum of all factors of 1,072,420, including 1,072,420?

The factors of the number 1,072,420 are: 1, 2, 4, 5, 10, 20, 29, 43, 58, 86, 116, 145, 172, 215, 290, 430, 580, 860, 1247, 1849, 2494, 3698, 4988, 6235, 7396, 9245, 12470, 18490, 24940, 36980, 53621, 107242, 214484, 268105, 536210, 1072420.

If you add them up, you will get the total of 2,385,180.

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