220551460

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{49451}}^1$

素因数の和:49683

約数の個数: 24

約数和(自身を含む): 465244416

約数和(自身を除く): 244692956

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 4460, 49451, 98902, 197804, 247255, 494510, 989020, 11027573, 22055146, 44110292, 55137865, 110275730, 220551460]

約数ペア:

[(1, 220551460), (2, 110275730), (4, 55137865), (5, 44110292), (10, 22055146), (20, 11027573), (223, 989020), (446, 494510), (892, 247255), (1115, 197804), (2230, 98902), (4460, 49451)]