398721232

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:154

約数の個数: 240

約数和(自身を含む): 1068681600

約数和(自身を除く): 669960368

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 29, 38, 49, 52, 56, 58, 71, 76, 91, 98, 104, 112, 116, 133, 142, 152, 182, 196, 203, 208, 232, 247, 266, 284, 304, 364, 377, 392, 406, 464, 494, 497, 532, 551, 568, 637, 728, 754, 784, 812, 923, 931, 988, 994, 1064, 1102, 1136, 1274, 1349, 1421, 1456, 1508, 1624, 1729, 1846, 1862, 1976, 1988, 2059, 2128, 2204, 2548, 2639, 2698, 2842, 3016, 3248, 3458, 3479, 3692, 3724, 3857, 3952, 3976, 4118, 4408, 5096, 5278, 5396, 5684, 6032, 6461, 6916, 6958, 7163, 7384, 7448, 7714, 7952, 8236, 8816, 9443, 10192, 10556, 10792, 11368, 12103, 12922, 13832, 13916, 14326, 14413, 14768, 14896, 15428, 16472, 17537, 18473, 18886, 21112, 21584, 22736, 24206, 25844, 26767, 26999, 27664, 27832, 28652, 28826, 30856, 32944, 35074, 36946, 37772, 39121, 42224, 45227, 48412, 50141, 51688, 53534, 53998, 55664, 57304, 57652, 61712, 66101, 70148, 73892, 75544, 78242, 90454, 96824, 100282, 100891, 103376, 107068, 107996, 114608, 115304, 122759, 132202, 140296, 147784, 151088, 156484, 180908, 187369, 193648, 200564, 201782, 214136, 215992, 230608, 245518, 264404, 273847, 280592, 295568, 312968, 350987, 361816, 374738, 401128, 403564, 428272, 431984, 491036, 508573, 528808, 547694, 625936, 701974, 723632, 749476, 802256, 807128, 859313, 982072, 1017146, 1057616, 1095388, 1311583, 1403948, 1498952, 1614256, 1718626, 1916929, 1964144, 2034292, 2190776, 2623166, 2807896, 2997904, 3437252, 3560011, 3833858, 4068584, 4381552, 5246332, 5615792, 6874504, 7120022, 7667716, 8137168, 10492664, 13749008, 14240044, 15335432, 20985328, 24920077, 28480088, 30670864, 49840154, 56960176, 99680308, 199360616, 398721232]

約数ペア:

[(1, 398721232), (2, 199360616), (4, 99680308), (7, 56960176), (8, 49840154), (13, 30670864), (14, 28480088), (16, 24920077), (19, 20985328), (26, 15335432), (28, 14240044), (29, 13749008), (38, 10492664), (49, 8137168), (52, 7667716), (56, 7120022), (58, 6874504), (71, 5615792), (76, 5246332), (91, 4381552), (98, 4068584), (104, 3833858), (112, 3560011), (116, 3437252), (133, 2997904), (142, 2807896), (152, 2623166), (182, 2190776), (196, 2034292), (203, 1964144), (208, 1916929), (232, 1718626), (247, 1614256), (266, 1498952), (284, 1403948), (304, 1311583), (364, 1095388), (377, 1057616), (392, 1017146), (406, 982072), (464, 859313), (494, 807128), (497, 802256), (532, 749476), (551, 723632), (568, 701974), (637, 625936), (728, 547694), (754, 528808), (784, 508573), (812, 491036), (923, 431984), (931, 428272), (988, 403564), (994, 401128), (1064, 374738), (1102, 361816), (1136, 350987), (1274, 312968), (1349, 295568), (1421, 280592), (1456, 273847), (1508, 264404), (1624, 245518), (1729, 230608), (1846, 215992), (1862, 214136), (1976, 201782), (1988, 200564), (2059, 193648), (2128, 187369), (2204, 180908), (2548, 156484), (2639, 151088), (2698, 147784), (2842, 140296), (3016, 132202), (3248, 122759), (3458, 115304), (3479, 114608), (3692, 107996), (3724, 107068), (3857, 103376), (3952, 100891), (3976, 100282), (4118, 96824), (4408, 90454), (5096, 78242), (5278, 75544), (5396, 73892), (5684, 70148), (6032, 66101), (6461, 61712), (6916, 57652), (6958, 57304), (7163, 55664), (7384, 53998), (7448, 53534), (7714, 51688), (7952, 50141), (8236, 48412), (8816, 45227), (9443, 42224), (10192, 39121), (10556, 37772), (10792, 36946), (11368, 35074), (12103, 32944), (12922, 30856), (13832, 28826), (13916, 28652), (14326, 27832), (14413, 27664), (14768, 26999), (14896, 26767), (15428, 25844), (16472, 24206), (17537, 22736), (18473, 21584), (18886, 21112)]