Q: What is the sum of all factors of the number 238,125,405 excluding 238,125,405?

A: 198,104,739

Why is 198,104,739 the sum of all factors of 238,125,405, excluding 238,125,405?

The factors of the number 238,125,405 are: 1, 3, 5, 7, 15, 21, 35, 105, 643, 1929, 3215, 3527, 4501, 9645, 10581, 13503, 17635, 22505, 24689, 52905, 67515, 74067, 123445, 370335, 2267861, 6803583, 11339305, 15875027, 34017915, 47625081, 79375135, 238125405.

If you add them up, you will get the total of 238,125,603. Now subtract 238,125,405 to get 198,104,739