68980780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{313549}}^1$

素因数の和:313569

約数の個数: 24

約数和(自身を含む): 158029200

約数和(自身を除く): 89048420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 313549, 627098, 1254196, 1567745, 3135490, 3449039, 6270980, 6898078, 13796156, 17245195, 34490390, 68980780]

約数ペア:

[(1, 68980780), (2, 34490390), (4, 17245195), (5, 13796156), (10, 6898078), (11, 6270980), (20, 3449039), (22, 3135490), (44, 1567745), (55, 1254196), (110, 627098), (220, 313549)]