290087410

素因数分解:

$2^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{72341}}^1$

素因数の和:72749

約数の個数: 16

約数和(自身を含む): 523466712

約数和(自身を除く): 233379302

約数列:

[1, 2, 5, 10, 401, 802, 2005, 4010, 72341, 144682, 361705, 723410, 29008741, 58017482, 145043705, 290087410]

約数ペア:

[(1, 290087410), (2, 145043705), (5, 58017482), (10, 29008741), (401, 723410), (802, 361705), (2005, 144682), (4010, 72341)]