Q: What is the sum of all factors of the number 1,280,090 excluding 1,280,090?
A: 1,353,382
The factors of the number 1,280,090 are: 1, 2, 5, 7, 10, 14, 35, 70, 18287, 36574, 91435, 128009, 182870, 256018, 640045, 1280090.
If you add them up, you will get the total of 1,280,091. Now subtract 1,280,090 to get 1,353,382