401451736

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1$

素因数の和:345

約数の個数: 128

約数和(自身を含む): 959938560

約数和(自身を除く): 558486824

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 31, 34, 56, 61, 62, 68, 119, 122, 124, 136, 217, 223, 238, 244, 248, 427, 434, 446, 476, 488, 527, 854, 868, 892, 952, 1037, 1054, 1561, 1708, 1736, 1784, 1891, 2074, 2108, 3122, 3416, 3689, 3782, 3791, 4148, 4216, 6244, 6913, 7259, 7378, 7564, 7582, 8296, 12488, 13237, 13603, 13826, 14518, 14756, 15128, 15164, 26474, 26537, 27206, 27652, 29036, 29512, 30328, 32147, 48391, 52948, 53074, 54412, 55304, 58072, 64294, 95221, 96782, 105896, 106148, 108824, 117521, 128588, 190442, 193564, 212296, 225029, 231251, 235042, 257176, 380884, 387128, 421693, 450058, 462502, 470084, 761768, 822647, 843386, 900116, 925004, 940168, 1618757, 1645294, 1686772, 1800232, 1850008, 2951851, 3237514, 3290588, 3373544, 5903702, 6475028, 6581176, 7168781, 11807404, 12950056, 14337562, 23614808, 28675124, 50181467, 57350248, 100362934, 200725868, 401451736]

約数ペア:

[(1, 401451736), (2, 200725868), (4, 100362934), (7, 57350248), (8, 50181467), (14, 28675124), (17, 23614808), (28, 14337562), (31, 12950056), (34, 11807404), (56, 7168781), (61, 6581176), (62, 6475028), (68, 5903702), (119, 3373544), (122, 3290588), (124, 3237514), (136, 2951851), (217, 1850008), (223, 1800232), (238, 1686772), (244, 1645294), (248, 1618757), (427, 940168), (434, 925004), (446, 900116), (476, 843386), (488, 822647), (527, 761768), (854, 470084), (868, 462502), (892, 450058), (952, 421693), (1037, 387128), (1054, 380884), (1561, 257176), (1708, 235042), (1736, 231251), (1784, 225029), (1891, 212296), (2074, 193564), (2108, 190442), (3122, 128588), (3416, 117521), (3689, 108824), (3782, 106148), (3791, 105896), (4148, 96782), (4216, 95221), (6244, 64294), (6913, 58072), (7259, 55304), (7378, 54412), (7564, 53074), (7582, 52948), (8296, 48391), (12488, 32147), (13237, 30328), (13603, 29512), (13826, 29036), (14518, 27652), (14756, 27206), (15128, 26537), (15164, 26474)]