Q: What is the sum of all factors of the number 1,228,900 excluding 1,228,900?
A: 1,438,030
The factors of the number 1,228,900 are: 1, 2, 4, 5, 10, 20, 25, 50, 100, 12289, 24578, 49156, 61445, 122890, 245780, 307225, 614450, 1228900.
If you add them up, you will get the total of 1,228,901. Now subtract 1,228,900 to get 1,438,030