Q: What is the sum of all factors of the number 620,748 including 620,748?

Why is 1,609,608 the sum of all factors of 620,748, including 620,748?

The factors of the number 620,748 are: 1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 401, 516, 774, 802, 1203, 1548, 1604, 2406, 3609, 4812, 7218, 14436, 17243, 34486, 51729, 68972, 103458, 155187, 206916, 310374, 620748.

If you add them up, you will get the total of 1,609,608.

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