204637180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{359}}^1\times {\mathrm{2591}}^1$

素因数の和:2970

約数の個数: 48

約数和(自身を含む): 470292480

約数和(自身を除く): 265655300

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 359, 718, 1436, 1795, 2591, 3590, 3949, 5182, 7180, 7898, 10364, 12955, 15796, 19745, 25910, 28501, 39490, 51820, 57002, 78980, 114004, 142505, 285010, 570020, 930169, 1860338, 3720676, 4650845, 9301690, 10231859, 18603380, 20463718, 40927436, 51159295, 102318590, 204637180]

約数ペア:

[(1, 204637180), (2, 102318590), (4, 51159295), (5, 40927436), (10, 20463718), (11, 18603380), (20, 10231859), (22, 9301690), (44, 4650845), (55, 3720676), (110, 1860338), (220, 930169), (359, 570020), (718, 285010), (1436, 142505), (1795, 114004), (2591, 78980), (3590, 57002), (3949, 51820), (5182, 39490), (7180, 28501), (7898, 25910), (10364, 19745), (12955, 15796)]