6667780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{491}}^1$

素因数の和:604

約数の個数: 48

約数和(自身を含む): 16200576

約数和(自身を除く): 9532796

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 97, 140, 194, 388, 485, 491, 679, 970, 982, 1358, 1940, 1964, 2455, 2716, 3395, 3437, 4910, 6790, 6874, 9820, 13580, 13748, 17185, 34370, 47627, 68740, 95254, 190508, 238135, 333389, 476270, 666778, 952540, 1333556, 1666945, 3333890, 6667780]

約数ペア:

[(1, 6667780), (2, 3333890), (4, 1666945), (5, 1333556), (7, 952540), (10, 666778), (14, 476270), (20, 333389), (28, 238135), (35, 190508), (70, 95254), (97, 68740), (140, 47627), (194, 34370), (388, 17185), (485, 13748), (491, 13580), (679, 9820), (970, 6874), (982, 6790), (1358, 4910), (1940, 3437), (1964, 3395), (2455, 2716)]