Q: What is the sum of all factors of the number 278,474,772 excluding 278,474,772?

 A: 371,747,724

Why is 371,747,724 the sum of all factors of 278,474,772, excluding 278,474,772?

The factors of the number 278,474,772 are: 1, 2, 3, 4, 6, 12, 1613, 3226, 4839, 6452, 9678, 14387, 19356, 28774, 43161, 57548, 86322, 172644, 23206231, 46412462, 69618693, 92824924, 139237386, 278474772.

If you add them up, you will get the total of 278,475,143. Now subtract 278,474,772 to get 371,747,724


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