Q: What is the sum of all factors of the number 245,840 excluding 245,840?
A: 408,880
The factors of the number 245,840 are: 1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 439, 560, 878, 1756, 2195, 3073, 3512, 4390, 6146, 7024, 8780, 12292, 15365, 17560, 24584, 30730, 35120, 49168, 61460, 122920, 245840.
If you add them up, you will get the total of 246,248. Now subtract 245,840 to get 408,880