Q: What is the sum of all factors of the number 989,420 excluding 989,420?

 A: 1,125,028

Why is 1,125,028 the sum of all factors of 989,420, excluding 989,420?

The factors of the number 989,420 are: 1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 811, 1220, 1622, 3244, 4055, 8110, 16220, 49471, 98942, 197884, 247355, 494710, 989420.

If you add them up, you will get the total of 989,421. Now subtract 989,420 to get 1,125,028


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