489505074910

素因数分解:

$2^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{122071091}}^1$

素因数の和:122071499

約数の個数: 16

約数和(自身を含む): 883306421712

約数和(自身を除く): 393801346802

約数列:

[1, 2, 5, 10, 401, 802, 2005, 4010, 122071091, 244142182, 610355455, 1220710910, 48950507491, 97901014982, 244752537455, 489505074910]

約数ペア:

[(1, 489505074910), (2, 244752537455), (5, 97901014982), (10, 48950507491), (401, 1220710910), (802, 610355455), (2005, 244142182), (4010, 122071091)]