The factors of the number 159,212,900 are: 1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 23, 25, 28, 29, 31, 35, 44, 46, 50, 55, 58, 62, 70, 77, 92, 100, 110, 115, 116, 124, 140, 145, 154, 155, 161, 175, 203, 217, 220, 230, 253, 275, 290, 308, 310, 319, 322, 341, 350, 385, 406, 434, 460, 506, 550, 575, 580, 620, 638, 644, 667, 682, 700, 713, 725, 770, 775, 805, 812, 868, 899, 1012, 1015, 1085, 1100, 1150, 1265, 1276, 1334, 1364, 1426, 1450, 1540, 1550, 1595, 1610, 1705, 1771, 1798, 1925, 2030, 2170, 2233, 2300, 2387, 2530, 2668, 2852, 2900, 3100, 3190, 3220, 3335, 3410, 3542, 3565, 3596, 3850, 4025, 4060, 4340, 4466, 4495, 4669, 4774, 4991, 5060, 5075, 5425, 6293, 6325, 6380, 6670, 6820, 7084, 7130, 7337, 7700, 7843, 7975, 8050, 8525, 8855, 8932, 8990, 9338, 9548, 9889, 9982, 10150, 10850, 11165, 11935, 12586, 12650, 13340, 14260, 14674, 15686, 15950, 16100, 16675, 17050, 17710, 17825, 17980, 18676, 19778, 19964, 20300, 20677, 21700, 22330, 22475, 23345, 23870, 24955, 25172, 25300, 29348, 31372, 31465, 31900, 33350, 34100, 35420, 35650, 36685, 39215, 39556, 41354, 44275, 44660, 44950, 46690, 47740, 49445, 49910, 51359, 54901, 55825, 59675, 62930, 66700, 69223, 71300, 73370, 78430, 82708, 88550, 89900, 93380, 98890, 99820, 102718, 103385, 109802, 111650, 116725, 119350, 124775, 125860, 138446, 144739, 146740, 156860, 157325, 177100, 183425, 196075, 197780, 205436, 206770, 219604, 223300, 227447, 233450, 238700, 247225, 249550, 256795, 274505, 276892, 289478, 314650, 346115, 366850, 392150, 413540, 454894, 466900, 494450, 499100, 513590, 516925, 549010, 578956, 629300, 692230, 723695, 733700, 784300, 909788, 988900, 1027180, 1033850, 1098020, 1137235, 1283975, 1372525, 1384460, 1447390, 1592129, 1730575, 2067700, 2274470, 2567950, 2745050, 2894780, 3184258, 3461150, 3618475, 4548940, 5135900, 5490100, 5686175, 6368516, 6922300, 7236950, 7960645, 11372350, 14473900, 15921290, 22744700, 31842580, 39803225, 79606450, 159212900.
If you add them up, you will get the total of 479,969,280.