204746220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{3779}}^1$

素因数の和:3844

約数の個数: 144

約数和(自身を含む): 726485760

約数和(自身を除く): 521739540

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 43, 45, 60, 63, 70, 84, 86, 90, 105, 126, 129, 140, 172, 180, 210, 215, 252, 258, 301, 315, 387, 420, 430, 516, 602, 630, 645, 774, 860, 903, 1204, 1260, 1290, 1505, 1548, 1806, 1935, 2580, 2709, 3010, 3612, 3779, 3870, 4515, 5418, 6020, 7558, 7740, 9030, 10836, 11337, 13545, 15116, 18060, 18895, 22674, 26453, 27090, 34011, 37790, 45348, 52906, 54180, 56685, 68022, 75580, 79359, 105812, 113370, 132265, 136044, 158718, 162497, 170055, 226740, 238077, 264530, 317436, 324994, 340110, 396795, 476154, 487491, 529060, 649988, 680220, 793590, 812485, 952308, 974982, 1137479, 1190385, 1462473, 1587180, 1624970, 1949964, 2274958, 2380770, 2437455, 2924946, 3249940, 3412437, 4549916, 4761540, 4874910, 5687395, 5849892, 6824874, 7312365, 9749820, 10237311, 11374790, 13649748, 14624730, 17062185, 20474622, 22749580, 29249460, 34124370, 40949244, 51186555, 68248740, 102373110, 204746220]

約数ペア:

[(1, 204746220), (2, 102373110), (3, 68248740), (4, 51186555), (5, 40949244), (6, 34124370), (7, 29249460), (9, 22749580), (10, 20474622), (12, 17062185), (14, 14624730), (15, 13649748), (18, 11374790), (20, 10237311), (21, 9749820), (28, 7312365), (30, 6824874), (35, 5849892), (36, 5687395), (42, 4874910), (43, 4761540), (45, 4549916), (60, 3412437), (63, 3249940), (70, 2924946), (84, 2437455), (86, 2380770), (90, 2274958), (105, 1949964), (126, 1624970), (129, 1587180), (140, 1462473), (172, 1190385), (180, 1137479), (210, 974982), (215, 952308), (252, 812485), (258, 793590), (301, 680220), (315, 649988), (387, 529060), (420, 487491), (430, 476154), (516, 396795), (602, 340110), (630, 324994), (645, 317436), (774, 264530), (860, 238077), (903, 226740), (1204, 170055), (1260, 162497), (1290, 158718), (1505, 136044), (1548, 132265), (1806, 113370), (1935, 105812), (2580, 79359), (2709, 75580), (3010, 68022), (3612, 56685), (3779, 54180), (3870, 52906), (4515, 45348), (5418, 37790), (6020, 34011), (7558, 27090), (7740, 26453), (9030, 22674), (10836, 18895), (11337, 18060), (13545, 15116)]