The factors of the number 400,131,200 are: 1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 128, 140, 160, 175, 200, 224, 280, 320, 350, 400, 448, 560, 640, 700, 800, 896, 1120, 1400, 1600, 2240, 2800, 3200, 4480, 5600, 11200, 17863, 22400, 35726, 71452, 89315, 125041, 142904, 178630, 250082, 285808, 357260, 446575, 500164, 571616, 625205, 714520, 893150, 1000328, 1143232, 1250410, 1429040, 1786300, 2000656, 2286464, 2500820, 2858080, 3126025, 3572600, 4001312, 5001640, 5716160, 6252050, 7145200, 8002624, 10003280, 11432320, 12504100, 14290400, 16005248, 20006560, 25008200, 28580800, 40013120, 50016400, 57161600, 80026240, 100032800, 200065600, 400131200.
If you add them up, you will get the total of 1,129,719,360.