The factors of the number 50,400,840 are: 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 29, 30, 35, 40, 42, 56, 58, 60, 70, 84, 87, 105, 116, 120, 140, 145, 168, 174, 203, 210, 232, 280, 290, 348, 406, 420, 435, 580, 609, 696, 812, 840, 870, 1015, 1160, 1218, 1624, 1740, 2030, 2069, 2436, 3045, 3480, 4060, 4138, 4872, 6090, 6207, 8120, 8276, 10345, 12180, 12414, 14483, 16552, 20690, 24360, 24828, 28966, 31035, 41380, 43449, 49656, 57932, 60001, 62070, 72415, 82760, 86898, 115864, 120002, 124140, 144830, 173796, 180003, 217245, 240004, 248280, 289660, 300005, 347592, 360006, 420007, 434490, 480008, 579320, 600010, 720012, 840014, 868980, 900015, 1200020, 1260021, 1440024, 1680028, 1737960, 1800030, 2100035, 2400040, 2520042, 3360056, 3600060, 4200070, 5040084, 6300105, 7200120, 8400140, 10080168, 12600210, 16800280, 25200420, 50400840.
If you add them up, you will get the total of 178,848,000.