221704780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1007749}}^1$

素因数の和:1007769

約数の個数: 24

約数和(自身を含む): 507906000

約数和(自身を除く): 286201220

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1007749, 2015498, 4030996, 5038745, 10077490, 11085239, 20154980, 22170478, 44340956, 55426195, 110852390, 221704780]

約数ペア:

[(1, 221704780), (2, 110852390), (4, 55426195), (5, 44340956), (10, 22170478), (11, 20154980), (20, 11085239), (22, 10077490), (44, 5038745), (55, 4030996), (110, 2015498), (220, 1007749)]