Q: What is the sum of all factors of the number 400,620,123 excluding 400,620,123?
A: 207,845,397
The factors of the number 400,620,123 are: 1, 3, 9, 29, 61, 87, 183, 261, 549, 1769, 5307, 15921, 25163, 75489, 226467, 729727, 1534943, 2189181, 4604829, 6567543, 13814487, 44513347, 133540041, 400620123.
If you add them up, you will get the total of 400,620,330. Now subtract 400,620,123 to get 207,845,397