213022180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{11981}}^1$

素因数の和:12124

約数の個数: 48

約数和(自身を含む): 515321856

約数和(自身を除く): 302299676

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 127, 140, 254, 508, 635, 889, 1270, 1778, 2540, 3556, 4445, 8890, 11981, 17780, 23962, 47924, 59905, 83867, 119810, 167734, 239620, 335468, 419335, 838670, 1521587, 1677340, 3043174, 6086348, 7607935, 10651109, 15215870, 21302218, 30431740, 42604436, 53255545, 106511090, 213022180]

約数ペア:

[(1, 213022180), (2, 106511090), (4, 53255545), (5, 42604436), (7, 30431740), (10, 21302218), (14, 15215870), (20, 10651109), (28, 7607935), (35, 6086348), (70, 3043174), (127, 1677340), (140, 1521587), (254, 838670), (508, 419335), (635, 335468), (889, 239620), (1270, 167734), (1778, 119810), (2540, 83867), (3556, 59905), (4445, 47924), (8890, 23962), (11981, 17780)]