290705016

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1493}}^1$

素因数の和:1589

約数の個数: 128

約数和(自身を含む): 889228800

約数和(自身を除く): 598523784

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 38, 42, 56, 57, 61, 76, 84, 114, 122, 133, 152, 168, 183, 228, 244, 266, 366, 399, 427, 456, 488, 532, 732, 798, 854, 1064, 1159, 1281, 1464, 1493, 1596, 1708, 2318, 2562, 2986, 3192, 3416, 3477, 4479, 4636, 5124, 5972, 6954, 8113, 8958, 9272, 10248, 10451, 11944, 13908, 16226, 17916, 20902, 24339, 27816, 28367, 31353, 32452, 35832, 41804, 48678, 56734, 62706, 64904, 83608, 85101, 91073, 97356, 113468, 125412, 170202, 182146, 194712, 198569, 226936, 250824, 273219, 340404, 364292, 397138, 546438, 595707, 637511, 680808, 728584, 794276, 1092876, 1191414, 1275022, 1588552, 1730387, 1912533, 2185752, 2382828, 2550044, 3460774, 3825066, 4765656, 5100088, 5191161, 6921548, 7650132, 10382322, 12112709, 13843096, 15300264, 20764644, 24225418, 36338127, 41529288, 48450836, 72676254, 96901672, 145352508, 290705016]

約数ペア:

[(1, 290705016), (2, 145352508), (3, 96901672), (4, 72676254), (6, 48450836), (7, 41529288), (8, 36338127), (12, 24225418), (14, 20764644), (19, 15300264), (21, 13843096), (24, 12112709), (28, 10382322), (38, 7650132), (42, 6921548), (56, 5191161), (57, 5100088), (61, 4765656), (76, 3825066), (84, 3460774), (114, 2550044), (122, 2382828), (133, 2185752), (152, 1912533), (168, 1730387), (183, 1588552), (228, 1275022), (244, 1191414), (266, 1092876), (366, 794276), (399, 728584), (427, 680808), (456, 637511), (488, 595707), (532, 546438), (732, 397138), (798, 364292), (854, 340404), (1064, 273219), (1159, 250824), (1281, 226936), (1464, 198569), (1493, 194712), (1596, 182146), (1708, 170202), (2318, 125412), (2562, 113468), (2986, 97356), (3192, 91073), (3416, 85101), (3477, 83608), (4479, 64904), (4636, 62706), (5124, 56734), (5972, 48678), (6954, 41804), (8113, 35832), (8958, 32452), (9272, 31353), (10248, 28367), (10451, 27816), (11944, 24339), (13908, 20902), (16226, 17916)]