209940976

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{593}}^1$

素因数の和:746

約数の個数: 80

約数和(自身を含む): 486129600

約数和(自身を除く): 276188624

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 56, 58, 109, 112, 116, 203, 218, 232, 406, 436, 464, 593, 763, 812, 872, 1186, 1526, 1624, 1744, 2372, 3052, 3161, 3248, 4151, 4744, 6104, 6322, 8302, 9488, 12208, 12644, 16604, 17197, 22127, 25288, 33208, 34394, 44254, 50576, 64637, 66416, 68788, 88508, 120379, 129274, 137576, 177016, 240758, 258548, 275152, 354032, 452459, 481516, 517096, 904918, 963032, 1034192, 1809836, 1874473, 1926064, 3619672, 3748946, 7239344, 7497892, 13121311, 14995784, 26242622, 29991568, 52485244, 104970488, 209940976]

約数ペア:

[(1, 209940976), (2, 104970488), (4, 52485244), (7, 29991568), (8, 26242622), (14, 14995784), (16, 13121311), (28, 7497892), (29, 7239344), (56, 3748946), (58, 3619672), (109, 1926064), (112, 1874473), (116, 1809836), (203, 1034192), (218, 963032), (232, 904918), (406, 517096), (436, 481516), (464, 452459), (593, 354032), (763, 275152), (812, 258548), (872, 240758), (1186, 177016), (1526, 137576), (1624, 129274), (1744, 120379), (2372, 88508), (3052, 68788), (3161, 66416), (3248, 64637), (4151, 50576), (4744, 44254), (6104, 34394), (6322, 33208), (8302, 25288), (9488, 22127), (12208, 17197), (12644, 16604)]