120691490

素因数分解:

$2^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{81001}}^1$

素因数の和:81157

約数の個数: 16

約数和(自身を含む): 218705400

約数和(自身を除く): 98013910

約数列:

[1, 2, 5, 10, 149, 298, 745, 1490, 81001, 162002, 405005, 810010, 12069149, 24138298, 60345745, 120691490]

約数ペア:

[(1, 120691490), (2, 60345745), (5, 24138298), (10, 12069149), (149, 810010), (298, 405005), (745, 162002), (1490, 81001)]