Q: What is the sum of all factors of the number 420,072 excluding 420,072?

 A: 677,208

Why is 677,208 the sum of all factors of 420,072, excluding 420,072?

The factors of the number 420,072 are: 1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 69, 92, 138, 184, 276, 552, 761, 1522, 2283, 3044, 4566, 6088, 9132, 17503, 18264, 35006, 52509, 70012, 105018, 140024, 210036, 420072.

If you add them up, you will get the total of 420,749. Now subtract 420,072 to get 677,208


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