2156031490

素因数分解:

$2^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1447001}}^1$

素因数の和:1447157

約数の個数: 16

約数和(自身を含む): 3906905400

約数和(自身を除く): 1750873910

約数列:

[1, 2, 5, 10, 149, 298, 745, 1490, 1447001, 2894002, 7235005, 14470010, 215603149, 431206298, 1078015745, 2156031490]

約数ペア:

[(1, 2156031490), (2, 1078015745), (5, 431206298), (10, 215603149), (149, 14470010), (298, 7235005), (745, 2894002), (1490, 1447001)]