Q: What is the sum of all factors of the number 388,040 excluding 388,040?
A: 502,960
The factors of the number 388,040 are: 1, 2, 4, 5, 8, 10, 20, 40, 89, 109, 178, 218, 356, 436, 445, 545, 712, 872, 890, 1090, 1780, 2180, 3560, 4360, 9701, 19402, 38804, 48505, 77608, 97010, 194020, 388040.
If you add them up, you will get the total of 388,542. Now subtract 388,040 to get 502,960