The factors of the number 531,545,400 are: 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 150, 180, 197, 200, 225, 300, 360, 394, 450, 591, 600, 788, 900, 985, 1182, 1499, 1576, 1773, 1800, 1970, 2364, 2955, 2998, 3546, 3940, 4497, 4728, 4925, 5910, 5996, 7092, 7495, 7880, 8865, 8994, 9850, 11820, 11992, 13491, 14184, 14775, 14990, 17730, 17988, 19700, 22485, 23640, 26982, 29550, 29980, 35460, 35976, 37475, 39400, 44325, 44970, 53964, 59100, 59960, 67455, 70920, 74950, 88650, 89940, 107928, 112425, 118200, 134910, 149900, 177300, 179880, 224850, 269820, 295303, 299800, 337275, 354600, 449700, 539640, 590606, 674550, 885909, 899400, 1181212, 1349100, 1476515, 1771818, 2362424, 2657727, 2698200, 2953030, 3543636, 4429545, 5315454, 5906060, 7087272, 7382575, 8859090, 10630908, 11812120, 13288635, 14765150, 17718180, 21261816, 22147725, 26577270, 29530300, 35436360, 44295450, 53154540, 59060600, 66443175, 88590900, 106309080, 132886350, 177181800, 265772700, 531545400.
If you add them up, you will get the total of 531,545,401. Now subtract 531,545,400 to get 1,263,819,600