393493520

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{2713}}^1$

素因数の和:2777

約数の個数: 120

約数和(自身を含む): 1093405464

約数和(自身を除く): 699911944

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 49, 56, 70, 74, 80, 98, 112, 140, 148, 185, 196, 245, 259, 280, 296, 370, 392, 490, 518, 560, 592, 740, 784, 980, 1036, 1295, 1480, 1813, 1960, 2072, 2590, 2713, 2960, 3626, 3920, 4144, 5180, 5426, 7252, 9065, 10360, 10852, 13565, 14504, 18130, 18991, 20720, 21704, 27130, 29008, 36260, 37982, 43408, 54260, 72520, 75964, 94955, 100381, 108520, 132937, 145040, 151928, 189910, 200762, 217040, 265874, 303856, 379820, 401524, 501905, 531748, 664685, 702667, 759640, 803048, 1003810, 1063496, 1329370, 1405334, 1519280, 1606096, 2007620, 2126992, 2658740, 2810668, 3513335, 4015240, 4918669, 5317480, 5621336, 7026670, 8030480, 9837338, 10634960, 11242672, 14053340, 19674676, 24593345, 28106680, 39349352, 49186690, 56213360, 78698704, 98373380, 196746760, 393493520]

約数ペア:

[(1, 393493520), (2, 196746760), (4, 98373380), (5, 78698704), (7, 56213360), (8, 49186690), (10, 39349352), (14, 28106680), (16, 24593345), (20, 19674676), (28, 14053340), (35, 11242672), (37, 10634960), (40, 9837338), (49, 8030480), (56, 7026670), (70, 5621336), (74, 5317480), (80, 4918669), (98, 4015240), (112, 3513335), (140, 2810668), (148, 2658740), (185, 2126992), (196, 2007620), (245, 1606096), (259, 1519280), (280, 1405334), (296, 1329370), (370, 1063496), (392, 1003810), (490, 803048), (518, 759640), (560, 702667), (592, 664685), (740, 531748), (784, 501905), (980, 401524), (1036, 379820), (1295, 303856), (1480, 265874), (1813, 217040), (1960, 200762), (2072, 189910), (2590, 151928), (2713, 145040), (2960, 132937), (3626, 108520), (3920, 100381), (4144, 94955), (5180, 75964), (5426, 72520), (7252, 54260), (9065, 43408), (10360, 37982), (10852, 36260), (13565, 29008), (14504, 27130), (18130, 21704), (18991, 20720)]