319424570

素因数分解:

$2^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{79657}}^1$

素因数の和:80065

約数の個数: 16

約数和(自身を含む): 576405288

約数和(自身を除く): 256980718

約数列:

[1, 2, 5, 10, 401, 802, 2005, 4010, 79657, 159314, 398285, 796570, 31942457, 63884914, 159712285, 319424570]

約数ペア:

[(1, 319424570), (2, 159712285), (5, 63884914), (10, 31942457), (401, 796570), (802, 398285), (2005, 159314), (4010, 79657)]