The factors of the number 780,738,840 are: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 359, 360, 420, 504, 630, 718, 840, 863, 1077, 1260, 1436, 1726, 1795, 2154, 2513, 2520, 2589, 2872, 3231, 3452, 3590, 4308, 4315, 5026, 5178, 5385, 6041, 6462, 6904, 7180, 7539, 7767, 8616, 8630, 10052, 10356, 10770, 12082, 12565, 12924, 12945, 14360, 15078, 15534, 16155, 17260, 18123, 20104, 20712, 21540, 22617, 24164, 25130, 25848, 25890, 30156, 30205, 31068, 32310, 34520, 36246, 37695, 38835, 43080, 45234, 48328, 50260, 51780, 54369, 60312, 60410, 62136, 64620, 72492, 75390, 77670, 90468, 90615, 100520, 103560, 108738, 113085, 120820, 129240, 144984, 150780, 155340, 180936, 181230, 217476, 226170, 241640, 271845, 301560, 309817, 310680, 362460, 434952, 452340, 543690, 619634, 724920, 904680, 929451, 1087380, 1239268, 1549085, 1858902, 2168719, 2174760, 2478536, 2788353, 3098170, 3717804, 4337438, 4647255, 5576706, 6196340, 6506157, 7435608, 8674876, 9294510, 10843595, 11153412, 12392680, 13012314, 13941765, 17349752, 18589020, 19518471, 21687190, 22306824, 26024628, 27883530, 32530785, 37178040, 39036942, 43374380, 52049256, 55767060, 65061570, 78073884, 86748760, 97592355, 111534120, 130123140, 156147768, 195184710, 260246280, 390369420, 780738840.
If you add them up, you will get the total of 780,738,842. Now subtract 780,738,840 to get 2,130,595,560