201477980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{359}}^1\times {\mathrm{2551}}^1$

素因数の和:2930

約数の個数: 48

約数和(自身を含む): 463034880

約数和(自身を除く): 261556900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 359, 718, 1436, 1795, 2551, 3590, 3949, 5102, 7180, 7898, 10204, 12755, 15796, 19745, 25510, 28061, 39490, 51020, 56122, 78980, 112244, 140305, 280610, 561220, 915809, 1831618, 3663236, 4579045, 9158090, 10073899, 18316180, 20147798, 40295596, 50369495, 100738990, 201477980]

約数ペア:

[(1, 201477980), (2, 100738990), (4, 50369495), (5, 40295596), (10, 20147798), (11, 18316180), (20, 10073899), (22, 9158090), (44, 4579045), (55, 3663236), (110, 1831618), (220, 915809), (359, 561220), (718, 280610), (1436, 140305), (1795, 112244), (2551, 78980), (3590, 56122), (3949, 51020), (5102, 39490), (7180, 28061), (7898, 25510), (10204, 19745), (12755, 15796)]