Q: What is the sum of all factors of the number 256,017,430 excluding 256,017,430?

A: 218,514,410

Why is 218,514,410 the sum of all factors of 256,017,430, excluding 256,017,430?

The factors of the number 256,017,430 are: 1, 2, 5, 10, 37, 74, 185, 370, 541, 1082, 1279, 2558, 2705, 5410, 6395, 12790, 20017, 40034, 47323, 94646, 100085, 200170, 236615, 473230, 691939, 1383878, 3459695, 6919390, 25601743, 51203486, 128008715, 256017430.

If you add them up, you will get the total of 256,017,648. Now subtract 256,017,430 to get 218,514,410