55289220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{131641}}^1$

素因数の和:131660

約数の個数: 48

約数和(自身を含む): 176926848

約数和(自身を除く): 121637628

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 131641, 263282, 394923, 526564, 658205, 789846, 921487, 1316410, 1579692, 1842974, 1974615, 2632820, 2764461, 3685948, 3949230, 4607435, 5528922, 7898460, 9214870, 11057844, 13822305, 18429740, 27644610, 55289220]

約数ペア:

[(1, 55289220), (2, 27644610), (3, 18429740), (4, 13822305), (5, 11057844), (6, 9214870), (7, 7898460), (10, 5528922), (12, 4607435), (14, 3949230), (15, 3685948), (20, 2764461), (21, 2632820), (28, 1974615), (30, 1842974), (35, 1579692), (42, 1316410), (60, 921487), (70, 789846), (84, 658205), (105, 526564), (140, 394923), (210, 263282), (420, 131641)]