The factors of the number 516,704,772 are: 1, 2, 3, 4, 6, 12, 19, 38, 57, 59, 71, 76, 114, 118, 142, 177, 213, 228, 236, 284, 354, 426, 541, 708, 852, 1082, 1121, 1349, 1623, 2164, 2242, 2698, 3246, 3363, 4047, 4189, 4484, 5396, 6492, 6726, 8094, 8378, 10279, 12567, 13452, 16188, 16756, 20558, 25134, 30837, 31919, 38411, 41116, 50268, 61674, 63838, 76822, 79591, 95757, 115233, 123348, 127676, 153644, 159182, 191514, 230466, 238773, 318364, 383028, 460932, 477546, 606461, 729809, 955092, 1212922, 1459618, 1819383, 2189427, 2266249, 2425844, 2919236, 3638766, 4378854, 4532498, 6798747, 7277532, 8757708, 9064996, 13597494, 27194988, 43058731, 86117462, 129176193, 172234924, 258352386, 516704772.
If you add them up, you will get the total of 1,311,206,400.