8470660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{277}}^1$

素因数の和:436

約数の個数: 48

約数和(自身を含む): 19615680

約数和(自身を除く): 11145020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 139, 220, 277, 278, 554, 556, 695, 1108, 1385, 1390, 1529, 2770, 2780, 3047, 3058, 5540, 6094, 6116, 7645, 12188, 15235, 15290, 30470, 30580, 38503, 60940, 77006, 154012, 192515, 385030, 423533, 770060, 847066, 1694132, 2117665, 4235330, 8470660]

約数ペア:

[(1, 8470660), (2, 4235330), (4, 2117665), (5, 1694132), (10, 847066), (11, 770060), (20, 423533), (22, 385030), (44, 192515), (55, 154012), (110, 77006), (139, 60940), (220, 38503), (277, 30580), (278, 30470), (554, 15290), (556, 15235), (695, 12188), (1108, 7645), (1385, 6116), (1390, 6094), (1529, 5540), (2770, 3058), (2780, 3047)]