Q: What is the sum of all factors of the number 261,130,642 excluding 261,130,642?

A: 178,489,838

Why is 178,489,838 the sum of all factors of 261,130,642, excluding 261,130,642?

The factors of the number 261,130,642 are: 1, 2, 17, 19, 34, 38, 151, 302, 323, 646, 2567, 2677, 2869, 5134, 5354, 5738, 45509, 48773, 50863, 91018, 97546, 101726, 404227, 808454, 864671, 1729342, 6871859, 7680313, 13743718, 15360626, 130565321, 261130642.

If you add them up, you will get the total of 261,130,820. Now subtract 261,130,642 to get 178,489,838