Q: What is the sum of all factors of the number 640,470 excluding 640,470?
A: 940,938
The factors of the number 640,470 are: 1, 2, 3, 5, 6, 10, 15, 30, 37, 74, 111, 185, 222, 370, 555, 577, 1110, 1154, 1731, 2885, 3462, 5770, 8655, 17310, 21349, 42698, 64047, 106745, 128094, 213490, 320235, 640470.
If you add them up, you will get the total of 641,410. Now subtract 640,470 to get 940,938