Q: What is the sum of all factors of the number 1,428,380 excluding 1,428,380?
A: 1,571,260
The factors of the number 1,428,380 are: 1, 2, 4, 5, 10, 20, 71419, 142838, 285676, 357095, 714190, 1428380.
If you add them up, you will get the total of 1,428,381. Now subtract 1,428,380 to get 1,571,260