Q: What is the sum of all factors of the number 42,400,404 excluding 42,400,404?

A: 65,573,280

Why is 65,573,280 the sum of all factors of 42,400,404, excluding 42,400,404?

The factors of the number 42,400,404 are: 1, 2, 3, 4, 6, 9, 12, 18, 36, 137, 274, 411, 548, 822, 1233, 1644, 2466, 4932, 8597, 17194, 25791, 34388, 51582, 77373, 103164, 154746, 309492, 1177789, 2355578, 3533367, 4711156, 7066734, 10600101, 14133468, 21200202, 42400404.

If you add them up, you will get the total of 42,400,469. Now subtract 42,400,404 to get 65,573,280