2220845

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{271}}^1$

素因数の和:436

約数の個数: 16

約数和(自身を含む): 2937600

約数和(自身を除く): 716755

約数列:

[1, 5, 11, 55, 149, 271, 745, 1355, 1639, 2981, 8195, 14905, 40379, 201895, 444169, 2220845]

約数ペア:

[(1, 2220845), (5, 444169), (11, 201895), (55, 40379), (149, 14905), (271, 8195), (745, 2981), (1355, 1639)]