Q: What is the sum of all factors of the number 897,870 excluding 897,870?

Why is 1,269,546 the sum of all factors of 897,870, excluding 897,870?

The factors of the number 897,870 are: 1, 2, 3, 5, 6, 10, 15, 30, 173, 346, 519, 865, 1038, 1730, 2595, 5190, 29929, 59858, 89787, 149645, 179574, 299290, 448935, 897870.

If you add them up, you will get the total of 897,871. Now subtract 897,870 to get 1,269,546

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