4178740

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^2\times {\mathrm{113}}^1$

素因数の和:208

約数の個数: 36

約数和(自身を含む): 9063684

約数和(自身を除く): 4884944

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 113, 172, 215, 226, 430, 452, 565, 860, 1130, 1849, 2260, 3698, 4859, 7396, 9245, 9718, 18490, 19436, 24295, 36980, 48590, 97180, 208937, 417874, 835748, 1044685, 2089370, 4178740]

約数ペア:

[(1, 4178740), (2, 2089370), (4, 1044685), (5, 835748), (10, 417874), (20, 208937), (43, 97180), (86, 48590), (113, 36980), (172, 24295), (215, 19436), (226, 18490), (430, 9718), (452, 9245), (565, 7396), (860, 4859), (1130, 3698), (1849, 2260)]