218470240225

素因数分解:

$5^2\times {\mathrm{11981}}^1\times {\mathrm{729389}}^1$

素因数の和:741380

約数の個数: 12

約数和(自身を含む): 270926080380

約数和(自身を除く): 52455840155

約数列:

[1, 5, 25, 11981, 59905, 299525, 729389, 3646945, 18234725, 8738809609, 43694048045, 218470240225]

約数ペア:

[(1, 218470240225), (5, 43694048045), (25, 8738809609), (11981, 18234725), (59905, 3646945), (299525, 729389)]