398556480

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{467}}^1$

素因数の和:621

約数の個数: 224

約数和(自身を含む): 1460699136

約数和(自身を除く): 1062142656

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 127, 140, 160, 168, 192, 210, 224, 240, 254, 280, 320, 336, 381, 420, 448, 467, 480, 508, 560, 635, 672, 762, 840, 889, 934, 960, 1016, 1120, 1270, 1344, 1401, 1524, 1680, 1778, 1868, 1905, 2032, 2240, 2335, 2540, 2667, 2802, 3048, 3269, 3360, 3556, 3736, 3810, 4064, 4445, 4670, 5080, 5334, 5604, 6096, 6538, 6720, 7005, 7112, 7472, 7620, 8128, 8890, 9340, 9807, 10160, 10668, 11208, 12192, 13076, 13335, 14010, 14224, 14944, 15240, 16345, 17780, 18680, 19614, 20320, 21336, 22416, 24384, 26152, 26670, 28020, 28448, 29888, 30480, 32690, 35560, 37360, 39228, 40640, 42672, 44832, 49035, 52304, 53340, 56040, 56896, 59309, 60960, 65380, 71120, 74720, 78456, 85344, 89664, 98070, 104608, 106680, 112080, 118618, 121920, 130760, 142240, 149440, 156912, 170688, 177927, 196140, 209216, 213360, 224160, 237236, 261520, 284480, 296545, 313824, 355854, 392280, 415163, 426720, 448320, 474472, 523040, 593090, 627648, 711708, 784560, 830326, 853440, 889635, 948944, 1046080, 1186180, 1245489, 1423416, 1569120, 1660652, 1779270, 1897888, 2075815, 2372360, 2490978, 2846832, 3138240, 3321304, 3558540, 3795776, 4151630, 4744720, 4981956, 5693664, 6227445, 6642608, 7117080, 8303260, 9489440, 9963912, 11387328, 12454890, 13285216, 14234160, 16606520, 18978880, 19927824, 24909780, 26570432, 28468320, 33213040, 39855648, 49819560, 56936640, 66426080, 79711296, 99639120, 132852160, 199278240, 398556480]

約数ペア:

[(1, 398556480), (2, 199278240), (3, 132852160), (4, 99639120), (5, 79711296), (6, 66426080), (7, 56936640), (8, 49819560), (10, 39855648), (12, 33213040), (14, 28468320), (15, 26570432), (16, 24909780), (20, 19927824), (21, 18978880), (24, 16606520), (28, 14234160), (30, 13285216), (32, 12454890), (35, 11387328), (40, 9963912), (42, 9489440), (48, 8303260), (56, 7117080), (60, 6642608), (64, 6227445), (70, 5693664), (80, 4981956), (84, 4744720), (96, 4151630), (105, 3795776), (112, 3558540), (120, 3321304), (127, 3138240), (140, 2846832), (160, 2490978), (168, 2372360), (192, 2075815), (210, 1897888), (224, 1779270), (240, 1660652), (254, 1569120), (280, 1423416), (320, 1245489), (336, 1186180), (381, 1046080), (420, 948944), (448, 889635), (467, 853440), (480, 830326), (508, 784560), (560, 711708), (635, 627648), (672, 593090), (762, 523040), (840, 474472), (889, 448320), (934, 426720), (960, 415163), (1016, 392280), (1120, 355854), (1270, 313824), (1344, 296545), (1401, 284480), (1524, 261520), (1680, 237236), (1778, 224160), (1868, 213360), (1905, 209216), (2032, 196140), (2240, 177927), (2335, 170688), (2540, 156912), (2667, 149440), (2802, 142240), (3048, 130760), (3269, 121920), (3360, 118618), (3556, 112080), (3736, 106680), (3810, 104608), (4064, 98070), (4445, 89664), (4670, 85344), (5080, 78456), (5334, 74720), (5604, 71120), (6096, 65380), (6538, 60960), (6720, 59309), (7005, 56896), (7112, 56040), (7472, 53340), (7620, 52304), (8128, 49035), (8890, 44832), (9340, 42672), (9807, 40640), (10160, 39228), (10668, 37360), (11208, 35560), (12192, 32690), (13076, 30480), (13335, 29888), (14010, 28448), (14224, 28020), (14944, 26670), (15240, 26152), (16345, 24384), (17780, 22416), (18680, 21336), (19614, 20320)]