99918400

素因数分解:

$2^6\times 5^2\times {\mathrm{197}}^1\times {\mathrm{317}}^1$

素因数の和:536

約数の個数: 84

約数和(自身を含む): 247889268

約数和(自身を除く): 147970868

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 197, 200, 317, 320, 394, 400, 634, 788, 800, 985, 1268, 1576, 1585, 1600, 1970, 2536, 3152, 3170, 3940, 4925, 5072, 6304, 6340, 7880, 7925, 9850, 10144, 12608, 12680, 15760, 15850, 19700, 20288, 25360, 31520, 31700, 39400, 50720, 62449, 63040, 63400, 78800, 101440, 124898, 126800, 157600, 249796, 253600, 312245, 315200, 499592, 507200, 624490, 999184, 1248980, 1561225, 1998368, 2497960, 3122450, 3996736, 4995920, 6244900, 9991840, 12489800, 19983680, 24979600, 49959200, 99918400]

約数ペア:

[(1, 99918400), (2, 49959200), (4, 24979600), (5, 19983680), (8, 12489800), (10, 9991840), (16, 6244900), (20, 4995920), (25, 3996736), (32, 3122450), (40, 2497960), (50, 1998368), (64, 1561225), (80, 1248980), (100, 999184), (160, 624490), (197, 507200), (200, 499592), (317, 315200), (320, 312245), (394, 253600), (400, 249796), (634, 157600), (788, 126800), (800, 124898), (985, 101440), (1268, 78800), (1576, 63400), (1585, 63040), (1600, 62449), (1970, 50720), (2536, 39400), (3152, 31700), (3170, 31520), (3940, 25360), (4925, 20288), (5072, 19700), (6304, 15850), (6340, 15760), (7880, 12680), (7925, 12608), (9850, 10144)]