Q: What is the sum of all factors of the number 387,930 excluding 387,930?

 A: 561,894

Why is 561,894 the sum of all factors of 387,930, excluding 387,930?

The factors of the number 387,930 are: 1, 2, 3, 5, 6, 10, 15, 30, 67, 134, 193, 201, 335, 386, 402, 579, 670, 965, 1005, 1158, 1930, 2010, 2895, 5790, 12931, 25862, 38793, 64655, 77586, 129310, 193965, 387930.

If you add them up, you will get the total of 388,491. Now subtract 387,930 to get 561,894


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