221400312

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{499}}^1$

素因数の和:673

約数の個数: 128

約数和(自身を含む): 672000000

約数和(自身を除く): 450599688

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 38, 42, 56, 57, 76, 84, 114, 133, 139, 152, 168, 228, 266, 278, 399, 417, 456, 499, 532, 556, 798, 834, 973, 998, 1064, 1112, 1497, 1596, 1668, 1946, 1996, 2641, 2919, 2994, 3192, 3336, 3493, 3892, 3992, 5282, 5838, 5988, 6986, 7784, 7923, 9481, 10479, 10564, 11676, 11976, 13972, 15846, 18487, 18962, 20958, 21128, 23352, 27944, 28443, 31692, 36974, 37924, 41916, 55461, 56886, 63384, 66367, 69361, 73948, 75848, 83832, 110922, 113772, 132734, 138722, 147896, 199101, 208083, 221844, 227544, 265468, 277444, 398202, 416166, 443688, 485527, 530936, 554888, 796404, 832332, 971054, 1317859, 1456581, 1592808, 1664664, 1942108, 2635718, 2913162, 3884216, 3953577, 5271436, 5826324, 7907154, 9225013, 10542872, 11652648, 15814308, 18450026, 27675039, 31628616, 36900052, 55350078, 73800104, 110700156, 221400312]

約数ペア:

[(1, 221400312), (2, 110700156), (3, 73800104), (4, 55350078), (6, 36900052), (7, 31628616), (8, 27675039), (12, 18450026), (14, 15814308), (19, 11652648), (21, 10542872), (24, 9225013), (28, 7907154), (38, 5826324), (42, 5271436), (56, 3953577), (57, 3884216), (76, 2913162), (84, 2635718), (114, 1942108), (133, 1664664), (139, 1592808), (152, 1456581), (168, 1317859), (228, 971054), (266, 832332), (278, 796404), (399, 554888), (417, 530936), (456, 485527), (499, 443688), (532, 416166), (556, 398202), (798, 277444), (834, 265468), (973, 227544), (998, 221844), (1064, 208083), (1112, 199101), (1497, 147896), (1596, 138722), (1668, 132734), (1946, 113772), (1996, 110922), (2641, 83832), (2919, 75848), (2994, 73948), (3192, 69361), (3336, 66367), (3493, 63384), (3892, 56886), (3992, 55461), (5282, 41916), (5838, 37924), (5988, 36974), (6986, 31692), (7784, 28443), (7923, 27944), (9481, 23352), (10479, 21128), (10564, 20958), (11676, 18962), (11976, 18487), (13972, 15846)]