203808640

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:197

約数の個数: 192

約数和(自身を含む): 581167440

約数和(自身を除く): 377358800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 67, 70, 80, 97, 98, 112, 128, 134, 140, 160, 194, 196, 224, 245, 268, 280, 320, 335, 388, 392, 448, 469, 485, 490, 536, 560, 640, 670, 679, 776, 784, 896, 938, 970, 980, 1072, 1120, 1340, 1358, 1552, 1568, 1876, 1940, 1960, 2144, 2240, 2345, 2680, 2716, 3104, 3136, 3283, 3395, 3752, 3880, 3920, 4288, 4480, 4690, 4753, 5360, 5432, 6208, 6272, 6499, 6566, 6790, 7504, 7760, 7840, 8576, 9380, 9506, 10720, 10864, 12416, 12998, 13132, 13580, 15008, 15520, 15680, 16415, 18760, 19012, 21440, 21728, 23765, 25996, 26264, 27160, 30016, 31040, 31360, 32495, 32830, 37520, 38024, 42880, 43456, 45493, 47530, 51992, 52528, 54320, 60032, 62080, 64990, 65660, 75040, 76048, 86912, 90986, 95060, 103984, 105056, 108640, 129980, 131320, 150080, 152096, 181972, 190120, 207968, 210112, 217280, 227465, 259960, 262640, 300160, 304192, 318451, 363944, 380240, 415936, 420224, 434560, 454930, 519920, 525280, 608384, 636902, 727888, 760480, 831872, 909860, 1039840, 1050560, 1273804, 1455776, 1520960, 1592255, 1819720, 2079680, 2101120, 2547608, 2911552, 3041920, 3184510, 3639440, 4159360, 5095216, 5823104, 6369020, 7278880, 10190432, 12738040, 14557760, 20380864, 25476080, 29115520, 40761728, 50952160, 101904320, 203808640]

約数ペア:

[(1, 203808640), (2, 101904320), (4, 50952160), (5, 40761728), (7, 29115520), (8, 25476080), (10, 20380864), (14, 14557760), (16, 12738040), (20, 10190432), (28, 7278880), (32, 6369020), (35, 5823104), (40, 5095216), (49, 4159360), (56, 3639440), (64, 3184510), (67, 3041920), (70, 2911552), (80, 2547608), (97, 2101120), (98, 2079680), (112, 1819720), (128, 1592255), (134, 1520960), (140, 1455776), (160, 1273804), (194, 1050560), (196, 1039840), (224, 909860), (245, 831872), (268, 760480), (280, 727888), (320, 636902), (335, 608384), (388, 525280), (392, 519920), (448, 454930), (469, 434560), (485, 420224), (490, 415936), (536, 380240), (560, 363944), (640, 318451), (670, 304192), (679, 300160), (776, 262640), (784, 259960), (896, 227465), (938, 217280), (970, 210112), (980, 207968), (1072, 190120), (1120, 181972), (1340, 152096), (1358, 150080), (1552, 131320), (1568, 129980), (1876, 108640), (1940, 105056), (1960, 103984), (2144, 95060), (2240, 90986), (2345, 86912), (2680, 76048), (2716, 75040), (3104, 65660), (3136, 64990), (3283, 62080), (3395, 60032), (3752, 54320), (3880, 52528), (3920, 51992), (4288, 47530), (4480, 45493), (4690, 43456), (4753, 42880), (5360, 38024), (5432, 37520), (6208, 32830), (6272, 32495), (6499, 31360), (6566, 31040), (6790, 30016), (7504, 27160), (7760, 26264), (7840, 25996), (8576, 23765), (9380, 21728), (9506, 21440), (10720, 19012), (10864, 18760), (12416, 16415), (12998, 15680), (13132, 15520), (13580, 15008)]