222649940

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^2\times {\mathrm{937}}^1$

素因数の和:1164

約数の個数: 36

約数和(自身を含む): 472397436

約数和(自身を除く): 249747496

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 937, 1090, 1874, 2180, 3748, 4685, 9370, 11881, 18740, 23762, 47524, 59405, 102133, 118810, 204266, 237620, 408532, 510665, 1021330, 2042660, 11132497, 22264994, 44529988, 55662485, 111324970, 222649940]

約数ペア:

[(1, 222649940), (2, 111324970), (4, 55662485), (5, 44529988), (10, 22264994), (20, 11132497), (109, 2042660), (218, 1021330), (436, 510665), (545, 408532), (937, 237620), (1090, 204266), (1874, 118810), (2180, 102133), (3748, 59405), (4685, 47524), (9370, 23762), (11881, 18740)]