The factors of the number 215,531,520 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 877, 960, 1024, 1280, 1536, 1754, 1920, 2048, 2560, 2631, 3072, 3508, 3840, 4096, 4385, 5120, 5262, 6144, 7016, 7680, 8192, 8770, 10240, 10524, 12288, 13155, 14032, 15360, 16384, 17540, 20480, 21048, 24576, 26310, 28064, 30720, 35080, 40960, 42096, 49152, 52620, 56128, 61440, 70160, 81920, 84192, 105240, 112256, 122880, 140320, 168384, 210480, 224512, 245760, 280640, 336768, 420960, 449024, 561280, 673536, 841920, 898048, 1122560, 1347072, 1683840, 1796096, 2245120, 2694144, 3367680, 3592192, 4490240, 5388288, 6735360, 7184384, 8980480, 10776576, 13470720, 14368768, 17960960, 21553152, 26941440, 35921920, 43106304, 53882880, 71843840, 107765760, 215531520.
If you add them up, you will get the total of 215,531,994. Now subtract 215,531,520 to get 474,934,704