Q: What is the sum of all factors of the number 243,779,960 excluding 243,779,960?

A: 306,834,280

Why is 306,834,280 the sum of all factors of 243,779,960, excluding 243,779,960?

The factors of the number 243,779,960 are: 1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2104, 2630, 5260, 10520, 23173, 46346, 92692, 115865, 185384, 231730, 463460, 926920, 6094499, 12188998, 24377996, 30472495, 48755992, 60944990, 121889980, 243779960.

If you add them up, you will get the total of 243,780,266. Now subtract 243,779,960 to get 306,834,280