Q: What is the sum of all factors of the number 747,480 excluding 747,480?

Why is 1,495,320 the sum of all factors of 747,480, excluding 747,480?

The factors of the number 747,480 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 6229, 12458, 18687, 24916, 31145, 37374, 49832, 62290, 74748, 93435, 124580, 149496, 186870, 249160, 373740, 747480.

If you add them up, you will get the total of 747,481. Now subtract 747,480 to get 1,495,320

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