The factors of the number 516,400,164 are: 1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 27, 28, 36, 38, 42, 54, 57, 63, 76, 84, 108, 114, 126, 133, 171, 189, 228, 252, 266, 342, 378, 399, 513, 532, 684, 756, 798, 1026, 1197, 1596, 2052, 2394, 3591, 4788, 7182, 14364, 35951, 71902, 107853, 143804, 215706, 251657, 323559, 431412, 503314, 647118, 683069, 754971, 970677, 1006628, 1294236, 1366138, 1509942, 1941354, 2049207, 2264913, 2732276, 3019884, 3882708, 4098414, 4529826, 4781483, 6147621, 6794739, 8196828, 9059652, 9562966, 12295242, 13589478, 14344449, 18442863, 19125932, 24590484, 27178956, 28688898, 36885726, 43033347, 57377796, 73771452, 86066694, 129100041, 172133388, 258200082, 516400164.
If you add them up, you will get the total of 1,610,649,600.