256988270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{30341}}^1$

素因数の和:30377

約数の個数: 48

約数和(自身を含む): 581109984

約数和(自身を除く): 324121714

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 121, 154, 242, 385, 605, 770, 847, 1210, 1694, 4235, 8470, 30341, 60682, 151705, 212387, 303410, 333751, 424774, 667502, 1061935, 1668755, 2123870, 2336257, 3337510, 3671261, 4672514, 7342522, 11681285, 18356305, 23362570, 25698827, 36712610, 51397654, 128494135, 256988270]

約数ペア:

[(1, 256988270), (2, 128494135), (5, 51397654), (7, 36712610), (10, 25698827), (11, 23362570), (14, 18356305), (22, 11681285), (35, 7342522), (55, 4672514), (70, 3671261), (77, 3337510), (110, 2336257), (121, 2123870), (154, 1668755), (242, 1061935), (385, 667502), (605, 424774), (770, 333751), (847, 303410), (1210, 212387), (1694, 151705), (4235, 60682), (8470, 30341)]