Q: What is the sum of all factors of the number 515,053,100 excluding 515,053,100?

A: 603,625,300

Why is 603,625,300 the sum of all factors of 515,053,100, excluding 515,053,100?

The factors of the number 515,053,100 are: 1, 2, 4, 5, 10, 20, 25, 50, 100, 1789, 2879, 3578, 5758, 7156, 8945, 11516, 14395, 17890, 28790, 35780, 44725, 57580, 71975, 89450, 143950, 178900, 287900, 5150531, 10301062, 20602124, 25752655, 51505310, 103010620, 128763275, 257526550, 515053100.

If you add them up, you will get the total of 515,053,703. Now subtract 515,053,100 to get 603,625,300