Q: What is the sum of all factors of the number 128,352 excluding 128,352?

A: 258,720

Why is 258,720 the sum of all factors of 128,352, excluding 128,352?

The factors of the number 128,352 are: 1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 191, 224, 336, 382, 573, 672, 764, 1146, 1337, 1528, 2292, 2674, 3056, 4011, 4584, 5348, 6112, 8022, 9168, 10696, 16044, 18336, 21392, 32088, 42784, 64176, 128352.

If you add them up, you will get the total of 128,610. Now subtract 128,352 to get 258,720