The factors of the number 147,203,448 are: 1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 41, 42, 43, 49, 56, 71, 82, 84, 86, 98, 123, 129, 142, 147, 164, 168, 172, 196, 213, 246, 258, 284, 287, 294, 301, 328, 344, 392, 426, 492, 497, 516, 568, 574, 588, 602, 852, 861, 903, 984, 994, 1032, 1148, 1176, 1204, 1491, 1704, 1722, 1763, 1806, 1988, 2009, 2107, 2296, 2408, 2911, 2982, 3053, 3444, 3479, 3526, 3612, 3976, 4018, 4214, 5289, 5822, 5964, 6027, 6106, 6321, 6888, 6958, 7052, 7224, 8036, 8428, 8733, 9159, 10437, 10578, 11644, 11928, 12054, 12212, 12341, 12642, 13916, 14104, 16072, 16856, 17466, 18318, 20377, 20874, 21156, 21371, 23288, 24108, 24424, 24682, 25284, 27832, 34932, 36636, 37023, 40754, 41748, 42312, 42742, 48216, 49364, 50568, 61131, 64113, 69864, 73272, 74046, 81508, 83496, 85484, 86387, 98728, 122262, 125173, 128226, 142639, 148092, 149597, 163016, 170968, 172774, 244524, 250346, 256452, 259161, 285278, 296184, 299194, 345548, 375519, 427917, 448791, 489048, 500692, 512904, 518322, 570556, 598388, 691096, 751038, 855834, 876211, 897582, 1001384, 1036644, 1141112, 1196776, 1502076, 1711668, 1752422, 1795164, 2073288, 2628633, 3004152, 3423336, 3504844, 3590328, 5257266, 6133477, 7009688, 10514532, 12266954, 18400431, 21029064, 24533908, 36800862, 49067816, 73601724, 147203448.
If you add them up, you will get the total of 455,051,520.