201911390

素因数分解:

$2^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{135511}}^1$

素因数の和:135667

約数の個数: 16

約数和(自身を含む): 365882400

約数和(自身を除く): 163971010

約数列:

[1, 2, 5, 10, 149, 298, 745, 1490, 135511, 271022, 677555, 1355110, 20191139, 40382278, 100955695, 201911390]

約数ペア:

[(1, 201911390), (2, 100955695), (5, 40382278), (10, 20191139), (149, 1355110), (298, 677555), (745, 271022), (1490, 135511)]