Q: What is the sum of all factors of the number 642,972 excluding 642,972?

 A: 994,020

Why is 994,020 the sum of all factors of 642,972, excluding 642,972?

The factors of the number 642,972 are: 1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 4871, 9742, 14613, 19484, 29226, 53581, 58452, 107162, 160743, 214324, 321486, 642972.

If you add them up, you will get the total of 643,966. Now subtract 642,972 to get 994,020


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