219989975

素因数分解:

$5^2\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{2309}}^1$

素因数の和:2459

約数の個数: 24

約数和(自身を含む): 283002720

約数和(自身を除く): 63012745

約数列:

[1, 5, 25, 37, 103, 185, 515, 925, 2309, 2575, 3811, 11545, 19055, 57725, 85433, 95275, 237827, 427165, 1189135, 2135825, 5945675, 8799599, 43997995, 219989975]

約数ペア:

[(1, 219989975), (5, 43997995), (25, 8799599), (37, 5945675), (103, 2135825), (185, 1189135), (515, 427165), (925, 237827), (2309, 95275), (2575, 85433), (3811, 57725), (11545, 19055)]