261917180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{14731}}^1$

素因数の和:14874

約数の個数: 48

約数和(自身を含む): 633593856

約数和(自身を除く): 371676676

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, 14731, 17780, 29462, 58924, 73655, 103117, 147310, 206234, 294620, 412468, 515585, 1031170, 1870837, 2062340, 3741674, 7483348, 9354185, 13095859, 18708370, 26191718, 37416740, 52383436, 65479295, 130958590, 261917180]

約数ペア:

[(1, 261917180), (2, 130958590), (4, 65479295), (5, 52383436), (7, 37416740), (10, 26191718), (14, 18708370), (20, 13095859), (28, 9354185), (35, 7483348), (70, 3741674), (127, 2062340), (140, 1870837), (254, 1031170), (508, 515585), (635, 412468), (889, 294620), (1270, 206234), (1778, 147310), (2540, 103117), (3556, 73655), (4445, 58924), (8890, 29462), (14731, 17780)]