The factors of the number 146,705,880 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 67, 71, 120, 134, 142, 201, 213, 257, 268, 284, 335, 355, 402, 426, 514, 536, 568, 670, 710, 771, 804, 852, 1005, 1028, 1065, 1285, 1340, 1420, 1542, 1608, 1704, 2010, 2056, 2130, 2570, 2680, 2840, 3084, 3855, 4020, 4260, 4757, 5140, 6168, 7710, 8040, 8520, 9514, 10280, 14271, 15420, 17219, 18247, 19028, 23785, 28542, 30840, 34438, 36494, 38056, 47570, 51657, 54741, 57084, 68876, 71355, 72988, 86095, 91235, 95140, 103314, 109482, 114168, 137752, 142710, 145976, 172190, 182470, 190280, 206628, 218964, 258285, 273705, 285420, 344380, 364940, 413256, 437928, 516570, 547410, 570840, 688760, 729880, 1033140, 1094820, 1222549, 2066280, 2189640, 2445098, 3667647, 4890196, 6112745, 7335294, 9780392, 12225490, 14670588, 18338235, 24450980, 29341176, 36676470, 48901960, 73352940, 146705880.
If you add them up, you will get the total of 454,740,480.