Q: What is the sum of all factors of the number 645,561,740 excluding 645,561,740?
A: 789,864,532
The factors of the number 645,561,740 are: 1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 1898711, 3797422, 7594844, 9493555, 18987110, 32278087, 37974220, 64556174, 129112348, 161390435, 322780870, 645561740.
If you add them up, you will get the total of 645,562,529. Now subtract 645,561,740 to get 789,864,532