90987010

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{478879}}^1$

素因数の和:478905

約数の個数: 16

約数和(自身を含む): 172396800

約数和(自身を除く): 81409790

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 478879, 957758, 2394395, 4788790, 9098701, 18197402, 45493505, 90987010]

約数ペア:

[(1, 90987010), (2, 45493505), (5, 18197402), (10, 9098701), (19, 4788790), (38, 2394395), (95, 957758), (190, 478879)]