Q: What is the sum of all factors of the number 420,228 excluding 420,228?

 A: 679,178

Why is 679,178 the sum of all factors of 420,228, excluding 420,228?

The factors of the number 420,228 are: 1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 1297, 2594, 3891, 5188, 7782, 11673, 15564, 23346, 35019, 46692, 70038, 105057, 140076, 210114, 420228.

If you add them up, you will get the total of 420,907. Now subtract 420,228 to get 679,178


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