203751680

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{499}}^1$

素因数の和:560

約数の個数: 144

約数和(自身を含む): 551880000

約数和(自身を除く): 348128320

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 32, 40, 44, 55, 58, 64, 80, 88, 110, 116, 128, 145, 160, 176, 220, 232, 256, 290, 319, 320, 352, 440, 464, 499, 580, 638, 640, 704, 880, 928, 998, 1160, 1276, 1280, 1408, 1595, 1760, 1856, 1996, 2320, 2495, 2552, 2816, 3190, 3520, 3712, 3992, 4640, 4990, 5104, 5489, 6380, 7040, 7424, 7984, 9280, 9980, 10208, 10978, 12760, 14080, 14471, 15968, 18560, 19960, 20416, 21956, 25520, 27445, 28942, 31936, 37120, 39920, 40832, 43912, 51040, 54890, 57884, 63872, 72355, 79840, 81664, 87824, 102080, 109780, 115768, 127744, 144710, 159181, 159680, 175648, 204160, 219560, 231536, 289420, 318362, 319360, 351296, 408320, 439120, 463072, 578840, 636724, 638720, 702592, 795905, 878240, 926144, 1157680, 1273448, 1405184, 1591810, 1756480, 1852288, 2315360, 2546896, 3183620, 3512960, 3704576, 4630720, 5093792, 6367240, 7025920, 9261440, 10187584, 12734480, 18522880, 20375168, 25468960, 40750336, 50937920, 101875840, 203751680]

約数ペア:

[(1, 203751680), (2, 101875840), (4, 50937920), (5, 40750336), (8, 25468960), (10, 20375168), (11, 18522880), (16, 12734480), (20, 10187584), (22, 9261440), (29, 7025920), (32, 6367240), (40, 5093792), (44, 4630720), (55, 3704576), (58, 3512960), (64, 3183620), (80, 2546896), (88, 2315360), (110, 1852288), (116, 1756480), (128, 1591810), (145, 1405184), (160, 1273448), (176, 1157680), (220, 926144), (232, 878240), (256, 795905), (290, 702592), (319, 638720), (320, 636724), (352, 578840), (440, 463072), (464, 439120), (499, 408320), (580, 351296), (638, 319360), (640, 318362), (704, 289420), (880, 231536), (928, 219560), (998, 204160), (1160, 175648), (1276, 159680), (1280, 159181), (1408, 144710), (1595, 127744), (1760, 115768), (1856, 109780), (1996, 102080), (2320, 87824), (2495, 81664), (2552, 79840), (2816, 72355), (3190, 63872), (3520, 57884), (3712, 54890), (3992, 51040), (4640, 43912), (4990, 40832), (5104, 39920), (5489, 37120), (6380, 31936), (7040, 28942), (7424, 27445), (7984, 25520), (9280, 21956), (9980, 20416), (10208, 19960), (10978, 18560), (12760, 15968), (14080, 14471)]