31509800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{317}}^1$

素因数の和:411

約数の個数: 96

約数和(自身を含む): 85173120

約数和(自身を除く): 53663320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 71, 100, 140, 142, 175, 200, 280, 284, 317, 350, 355, 497, 568, 634, 700, 710, 994, 1268, 1400, 1420, 1585, 1775, 1988, 2219, 2485, 2536, 2840, 3170, 3550, 3976, 4438, 4970, 6340, 7100, 7925, 8876, 9940, 11095, 12425, 12680, 14200, 15850, 17752, 19880, 22190, 22507, 24850, 31700, 44380, 45014, 49700, 55475, 63400, 88760, 90028, 99400, 110950, 112535, 157549, 180056, 221900, 225070, 315098, 443800, 450140, 562675, 630196, 787745, 900280, 1125350, 1260392, 1575490, 2250700, 3150980, 3938725, 4501400, 6301960, 7877450, 15754900, 31509800]

約数ペア:

[(1, 31509800), (2, 15754900), (4, 7877450), (5, 6301960), (7, 4501400), (8, 3938725), (10, 3150980), (14, 2250700), (20, 1575490), (25, 1260392), (28, 1125350), (35, 900280), (40, 787745), (50, 630196), (56, 562675), (70, 450140), (71, 443800), (100, 315098), (140, 225070), (142, 221900), (175, 180056), (200, 157549), (280, 112535), (284, 110950), (317, 99400), (350, 90028), (355, 88760), (497, 63400), (568, 55475), (634, 49700), (700, 45014), (710, 44380), (994, 31700), (1268, 24850), (1400, 22507), (1420, 22190), (1585, 19880), (1775, 17752), (1988, 15850), (2219, 14200), (2485, 12680), (2536, 12425), (2840, 11095), (3170, 9940), (3550, 8876), (3976, 7925), (4438, 7100), (4970, 6340)]