199286220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{474491}}^1$

素因数の和:474510

約数の個数: 48

約数和(自身を含む): 637717248

約数和(自身を除く): 438431028

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, 474491, 948982, 1423473, 1897964, 2372455, 2846946, 3321437, 4744910, 5693892, 6642874, 7117365, 9489820, 9964311, 13285748, 14234730, 16607185, 19928622, 28469460, 33214370, 39857244, 49821555, 66428740, 99643110, 199286220]

約数ペア:

[(1, 199286220), (2, 99643110), (3, 66428740), (4, 49821555), (5, 39857244), (6, 33214370), (7, 28469460), (10, 19928622), (12, 16607185), (14, 14234730), (15, 13285748), (20, 9964311), (21, 9489820), (28, 7117365), (30, 6642874), (35, 5693892), (42, 4744910), (60, 3321437), (70, 2846946), (84, 2372455), (105, 1897964), (140, 1423473), (210, 948982), (420, 474491)]