The factors of the number 402,400,240 are: 1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 41, 44, 55, 76, 80, 82, 88, 95, 110, 152, 164, 176, 190, 205, 209, 220, 304, 328, 380, 410, 418, 440, 451, 587, 656, 760, 779, 820, 836, 880, 902, 1045, 1174, 1520, 1558, 1640, 1672, 1804, 2090, 2255, 2348, 2935, 3116, 3280, 3344, 3608, 3895, 4180, 4510, 4696, 5870, 6232, 6457, 7216, 7790, 8360, 8569, 9020, 9392, 11153, 11740, 12464, 12914, 15580, 16720, 17138, 18040, 22306, 23480, 24067, 25828, 31160, 32285, 34276, 36080, 42845, 44612, 46960, 48134, 51656, 55765, 62320, 64570, 68552, 85690, 89224, 96268, 103312, 111530, 120335, 122683, 129140, 137104, 171380, 178448, 192536, 223060, 240670, 245366, 258280, 264737, 342760, 385072, 446120, 457273, 481340, 490732, 516560, 529474, 613415, 685520, 892240, 914546, 962680, 981464, 1058948, 1226830, 1323685, 1829092, 1925360, 1962928, 2117896, 2286365, 2453660, 2647370, 3658184, 4235792, 4572730, 4907320, 5030003, 5294740, 7316368, 9145460, 9814640, 10060006, 10589480, 18290920, 20120012, 21178960, 25150015, 36581840, 40240024, 50300030, 80480048, 100600060, 201200120, 402400240.
If you add them up, you will get the total of 1,102,429,440.