919255720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1223}}^1$

素因数の和:1319

約数の個数: 128

約数和(自身を含む): 2326579200

約数和(自身を除く): 1407323480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 38, 40, 43, 46, 76, 86, 92, 95, 115, 152, 172, 184, 190, 215, 230, 344, 380, 430, 437, 460, 760, 817, 860, 874, 920, 989, 1223, 1634, 1720, 1748, 1978, 2185, 2446, 3268, 3496, 3956, 4085, 4370, 4892, 4945, 6115, 6536, 7912, 8170, 8740, 9784, 9890, 12230, 16340, 17480, 18791, 19780, 23237, 24460, 28129, 32680, 37582, 39560, 46474, 48920, 52589, 56258, 75164, 92948, 93955, 105178, 112516, 116185, 140645, 150328, 185896, 187910, 210356, 225032, 232370, 262945, 281290, 375820, 420712, 464740, 525890, 534451, 562580, 751640, 929480, 999191, 1051780, 1068902, 1125160, 1209547, 1998382, 2103560, 2137804, 2419094, 2672255, 3996764, 4275608, 4838188, 4995955, 5344510, 6047735, 7993528, 9676376, 9991910, 10689020, 12095470, 19983820, 21378040, 22981393, 24190940, 39967640, 45962786, 48381880, 91925572, 114906965, 183851144, 229813930, 459627860, 919255720]

約数ペア:

[(1, 919255720), (2, 459627860), (4, 229813930), (5, 183851144), (8, 114906965), (10, 91925572), (19, 48381880), (20, 45962786), (23, 39967640), (38, 24190940), (40, 22981393), (43, 21378040), (46, 19983820), (76, 12095470), (86, 10689020), (92, 9991910), (95, 9676376), (115, 7993528), (152, 6047735), (172, 5344510), (184, 4995955), (190, 4838188), (215, 4275608), (230, 3996764), (344, 2672255), (380, 2419094), (430, 2137804), (437, 2103560), (460, 1998382), (760, 1209547), (817, 1125160), (860, 1068902), (874, 1051780), (920, 999191), (989, 929480), (1223, 751640), (1634, 562580), (1720, 534451), (1748, 525890), (1978, 464740), (2185, 420712), (2446, 375820), (3268, 281290), (3496, 262945), (3956, 232370), (4085, 225032), (4370, 210356), (4892, 187910), (4945, 185896), (6115, 150328), (6536, 140645), (7912, 116185), (8170, 112516), (8740, 105178), (9784, 93955), (9890, 92948), (12230, 75164), (16340, 56258), (17480, 52589), (18791, 48920), (19780, 46474), (23237, 39560), (24460, 37582), (28129, 32680)]