Q: What is the sum of all factors of the number 243,400,240 excluding 243,400,240?

A: 326,139,200

Why is 326,139,200 the sum of all factors of 243,400,240, excluding 243,400,240?

The factors of the number 243,400,240 are: 1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 628, 785, 1256, 1570, 2512, 3140, 6280, 12560, 19379, 38758, 77516, 96895, 155032, 193790, 310064, 387580, 775160, 1550320, 3042503, 6085006, 12170012, 15212515, 24340024, 30425030, 48680048, 60850060, 121700120, 243400240.

If you add them up, you will get the total of 243,400,566. Now subtract 243,400,240 to get 326,139,200