Q: What is the sum of all factors of the number 258,420 excluding 258,420?

 A: 487,500

Why is 487,500 the sum of all factors of 258,420, excluding 258,420?

The factors of the number 258,420 are: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 59, 60, 73, 118, 146, 177, 219, 236, 292, 295, 354, 365, 438, 590, 708, 730, 876, 885, 1095, 1180, 1460, 1770, 2190, 3540, 4307, 4380, 8614, 12921, 17228, 21535, 25842, 43070, 51684, 64605, 86140, 129210, 258420.

If you add them up, you will get the total of 258,907. Now subtract 258,420 to get 487,500


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