Q: What is the sum of all factors of the number 243,203,320 excluding 243,203,320?

A: 304,901,000

Why is 304,901,000 the sum of all factors of 243,203,320, excluding 243,203,320?

The factors of the number 243,203,320 are: 1, 2, 4, 5, 8, 10, 20, 40, 653, 1306, 2612, 3265, 5224, 6530, 9311, 13060, 18622, 26120, 37244, 46555, 74488, 93110, 186220, 372440, 6080083, 12160166, 24320332, 30400415, 48640664, 60800830, 121601660, 243203320.

If you add them up, you will get the total of 243,203,624. Now subtract 243,203,320 to get 304,901,000