209464825

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{6719}}^1$

素因数の和:6801

約数の個数: 24

約数和(自身を含む): 274982400

約数和(自身を除く): 65517575

約数列:

[1, 5, 25, 29, 43, 145, 215, 725, 1075, 1247, 6235, 6719, 31175, 33595, 167975, 194851, 288917, 974255, 1444585, 4871275, 7222925, 8378593, 41892965, 209464825]

約数ペア:

[(1, 209464825), (5, 41892965), (25, 8378593), (29, 7222925), (43, 4871275), (145, 1444585), (215, 974255), (725, 288917), (1075, 194851), (1247, 167975), (6235, 33595), (6719, 31175)]