2220360980

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{798691}}^1$

素因数の和:798839

約数の個数: 24

約数和(自身を含む): 4696308960

約数和(自身を除く): 2475947980

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 798691, 1597382, 3194764, 3993455, 7986910, 15973820, 111018049, 222036098, 444072196, 555090245, 1110180490, 2220360980]

約数ペア:

[(1, 2220360980), (2, 1110180490), (4, 555090245), (5, 444072196), (10, 222036098), (20, 111018049), (139, 15973820), (278, 7986910), (556, 3993455), (695, 3194764), (1390, 1597382), (2780, 798691)]