1901484640

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{181}}^1$

素因数の和:381

約数の個数: 192

約数和(自身を含む): 5072191488

約数和(自身を除く): 3170706848

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 47, 55, 80, 88, 94, 110, 127, 160, 176, 181, 188, 220, 235, 254, 352, 362, 376, 440, 470, 508, 517, 635, 724, 752, 880, 905, 940, 1016, 1034, 1270, 1397, 1448, 1504, 1760, 1810, 1880, 1991, 2032, 2068, 2540, 2585, 2794, 2896, 3620, 3760, 3982, 4064, 4136, 5080, 5170, 5588, 5792, 5969, 6985, 7240, 7520, 7964, 8272, 8507, 9955, 10160, 10340, 11176, 11938, 13970, 14480, 15928, 16544, 17014, 19910, 20320, 20680, 22352, 22987, 23876, 27940, 28960, 29845, 31856, 34028, 39820, 41360, 42535, 44704, 45974, 47752, 55880, 59690, 63712, 65659, 68056, 79640, 82720, 85070, 91948, 93577, 95504, 111760, 114935, 119380, 131318, 136112, 159280, 170140, 183896, 187154, 191008, 223520, 229870, 238760, 252857, 262636, 272224, 318560, 328295, 340280, 367792, 374308, 459740, 467885, 477520, 505714, 525272, 656590, 680560, 735584, 748616, 919480, 935770, 955040, 1011428, 1050544, 1080389, 1264285, 1313180, 1361120, 1497232, 1838960, 1871540, 2022856, 2101088, 2160778, 2528570, 2626360, 2994464, 3677920, 3743080, 4045712, 4321556, 5057140, 5252720, 5401945, 7486160, 8091424, 8643112, 10114280, 10505440, 10803890, 11884279, 14972320, 17286224, 20228560, 21607780, 23768558, 34572448, 40457120, 43215560, 47537116, 59421395, 86431120, 95074232, 118842790, 172862240, 190148464, 237685580, 380296928, 475371160, 950742320, 1901484640]

約数ペア:

[(1, 1901484640), (2, 950742320), (4, 475371160), (5, 380296928), (8, 237685580), (10, 190148464), (11, 172862240), (16, 118842790), (20, 95074232), (22, 86431120), (32, 59421395), (40, 47537116), (44, 43215560), (47, 40457120), (55, 34572448), (80, 23768558), (88, 21607780), (94, 20228560), (110, 17286224), (127, 14972320), (160, 11884279), (176, 10803890), (181, 10505440), (188, 10114280), (220, 8643112), (235, 8091424), (254, 7486160), (352, 5401945), (362, 5252720), (376, 5057140), (440, 4321556), (470, 4045712), (508, 3743080), (517, 3677920), (635, 2994464), (724, 2626360), (752, 2528570), (880, 2160778), (905, 2101088), (940, 2022856), (1016, 1871540), (1034, 1838960), (1270, 1497232), (1397, 1361120), (1448, 1313180), (1504, 1264285), (1760, 1080389), (1810, 1050544), (1880, 1011428), (1991, 955040), (2032, 935770), (2068, 919480), (2540, 748616), (2585, 735584), (2794, 680560), (2896, 656590), (3620, 525272), (3760, 505714), (3982, 477520), (4064, 467885), (4136, 459740), (5080, 374308), (5170, 367792), (5588, 340280), (5792, 328295), (5969, 318560), (6985, 272224), (7240, 262636), (7520, 252857), (7964, 238760), (8272, 229870), (8507, 223520), (9955, 191008), (10160, 187154), (10340, 183896), (11176, 170140), (11938, 159280), (13970, 136112), (14480, 131318), (15928, 119380), (16544, 114935), (17014, 111760), (19910, 95504), (20320, 93577), (20680, 91948), (22352, 85070), (22987, 82720), (23876, 79640), (27940, 68056), (28960, 65659), (29845, 63712), (31856, 59690), (34028, 55880), (39820, 47752), (41360, 45974), (42535, 44704)]