199968688

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{251}}^1$

素因数の和:406

約数の個数: 80

約数和(自身を含む): 430284960

約数和(自身を除く): 230316272

約数列:

[1, 2, 4, 8, 16, 17, 29, 34, 58, 68, 101, 116, 136, 202, 232, 251, 272, 404, 464, 493, 502, 808, 986, 1004, 1616, 1717, 1972, 2008, 2929, 3434, 3944, 4016, 4267, 5858, 6868, 7279, 7888, 8534, 11716, 13736, 14558, 17068, 23432, 25351, 27472, 29116, 34136, 46864, 49793, 50702, 58232, 68272, 99586, 101404, 116464, 123743, 199172, 202808, 247486, 398344, 405616, 430967, 494972, 735179, 796688, 861934, 989944, 1470358, 1723868, 1979888, 2940716, 3447736, 5881432, 6895472, 11762864, 12498043, 24996086, 49992172, 99984344, 199968688]

約数ペア:

[(1, 199968688), (2, 99984344), (4, 49992172), (8, 24996086), (16, 12498043), (17, 11762864), (29, 6895472), (34, 5881432), (58, 3447736), (68, 2940716), (101, 1979888), (116, 1723868), (136, 1470358), (202, 989944), (232, 861934), (251, 796688), (272, 735179), (404, 494972), (464, 430967), (493, 405616), (502, 398344), (808, 247486), (986, 202808), (1004, 199172), (1616, 123743), (1717, 116464), (1972, 101404), (2008, 99586), (2929, 68272), (3434, 58232), (3944, 50702), (4016, 49793), (4267, 46864), (5858, 34136), (6868, 29116), (7279, 27472), (7888, 25351), (8534, 23432), (11716, 17068), (13736, 14558)]