129391504

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{251}}^1$

素因数の和:400

約数の個数: 80

約数和(自身を含む): 286856640

約数和(自身を除く): 157465136

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 44, 58, 88, 101, 116, 176, 202, 232, 251, 319, 404, 464, 502, 638, 808, 1004, 1111, 1276, 1616, 2008, 2222, 2552, 2761, 2929, 4016, 4444, 5104, 5522, 5858, 7279, 8888, 11044, 11716, 14558, 17776, 22088, 23432, 25351, 29116, 32219, 44176, 46864, 50702, 58232, 64438, 80069, 101404, 116464, 128876, 160138, 202808, 257752, 278861, 320276, 405616, 515504, 557722, 640552, 735179, 1115444, 1281104, 1470358, 2230888, 2940716, 4461776, 5881432, 8086969, 11762864, 16173938, 32347876, 64695752, 129391504]

約数ペア:

[(1, 129391504), (2, 64695752), (4, 32347876), (8, 16173938), (11, 11762864), (16, 8086969), (22, 5881432), (29, 4461776), (44, 2940716), (58, 2230888), (88, 1470358), (101, 1281104), (116, 1115444), (176, 735179), (202, 640552), (232, 557722), (251, 515504), (319, 405616), (404, 320276), (464, 278861), (502, 257752), (638, 202808), (808, 160138), (1004, 128876), (1111, 116464), (1276, 101404), (1616, 80069), (2008, 64438), (2222, 58232), (2552, 50702), (2761, 46864), (2929, 44176), (4016, 32219), (4444, 29116), (5104, 25351), (5522, 23432), (5858, 22088), (7279, 17776), (8888, 14558), (11044, 11716)]