The factors of the number 263,307,540 are: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 83, 111, 148, 166, 185, 222, 249, 332, 370, 415, 444, 498, 555, 740, 830, 996, 1110, 1245, 1429, 1660, 2220, 2490, 2858, 3071, 4287, 4980, 5716, 6142, 7145, 8574, 9213, 12284, 14290, 15355, 17148, 18426, 21435, 28580, 30710, 36852, 42870, 46065, 52873, 61420, 85740, 92130, 105746, 118607, 158619, 184260, 211492, 237214, 264365, 317238, 355821, 474428, 528730, 593035, 634476, 711642, 793095, 1057460, 1186070, 1423284, 1586190, 1779105, 2372140, 3172380, 3558210, 4388459, 7116420, 8776918, 13165377, 17553836, 21942295, 26330754, 43884590, 52661508, 65826885, 87769180, 131653770, 263307540.
If you add them up, you will get the total of 263,308,043. Now subtract 263,307,540 to get 503,538,540