Q: What is the sum of all factors of the number 1,721,750 excluding 1,721,750?

Why is 1,580,458 the sum of all factors of 1,721,750, excluding 1,721,750?

The factors of the number 1,721,750 are: 1, 2, 5, 10, 25, 50, 71, 97, 125, 142, 194, 250, 355, 485, 710, 970, 1775, 2425, 3550, 4850, 6887, 8875, 12125, 13774, 17750, 24250, 34435, 68870, 172175, 344350, 860875, 1721750.

If you add them up, you will get the total of 1,721,751. Now subtract 1,721,750 to get 1,580,458

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