31890980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{8527}}^1$

素因数の和:8564

約数の個数: 48

約数和(自身を含む): 77366016

約数和(自身を除く): 45475036

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 3740, 8527, 17054, 34108, 42635, 85270, 93797, 144959, 170540, 187594, 289918, 375188, 468985, 579836, 724795, 937970, 1449590, 1594549, 1875940, 2899180, 3189098, 6378196, 7972745, 15945490, 31890980]

約数ペア:

[(1, 31890980), (2, 15945490), (4, 7972745), (5, 6378196), (10, 3189098), (11, 2899180), (17, 1875940), (20, 1594549), (22, 1449590), (34, 937970), (44, 724795), (55, 579836), (68, 468985), (85, 375188), (110, 289918), (170, 187594), (187, 170540), (220, 144959), (340, 93797), (374, 85270), (748, 42635), (935, 34108), (1870, 17054), (3740, 8527)]