Q: What is the sum of all factors of the number 399,380 excluding 399,380?
A: 484,300
The factors of the number 399,380 are: 1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 1051, 2102, 4204, 5255, 10510, 19969, 21020, 39938, 79876, 99845, 199690, 399380.
If you add them up, you will get the total of 399,864. Now subtract 399,380 to get 484,300