204519260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{557}}^1\times {\mathrm{1669}}^1$

素因数の和:2246

約数の個数: 48

約数和(自身を含む): 469657440

約数和(自身を除く): 265138180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 557, 1114, 1669, 2228, 2785, 3338, 5570, 6127, 6676, 8345, 11140, 12254, 16690, 18359, 24508, 30635, 33380, 36718, 61270, 73436, 91795, 122540, 183590, 367180, 929633, 1859266, 3718532, 4648165, 9296330, 10225963, 18592660, 20451926, 40903852, 51129815, 102259630, 204519260]

約数ペア:

[(1, 204519260), (2, 102259630), (4, 51129815), (5, 40903852), (10, 20451926), (11, 18592660), (20, 10225963), (22, 9296330), (44, 4648165), (55, 3718532), (110, 1859266), (220, 929633), (557, 367180), (1114, 183590), (1669, 122540), (2228, 91795), (2785, 73436), (3338, 61270), (5570, 36718), (6127, 33380), (6676, 30635), (8345, 24508), (11140, 18359), (12254, 16690)]