Q: What is the sum of all factors of the number 628,840 including 628,840?

Why is 1,440,000 the sum of all factors of 628,840, including 628,840?

The factors of the number 628,840 are: 1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 199, 316, 395, 398, 632, 790, 796, 995, 1580, 1592, 1990, 3160, 3980, 7960, 15721, 31442, 62884, 78605, 125768, 157210, 314420, 628840.

If you add them up, you will get the total of 1,440,000.

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