55228740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{131497}}^1$

素因数の和:131516

約数の個数: 48

約数和(自身を含む): 176733312

約数和(自身を除く): 121504572

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 131497, 262994, 394491, 525988, 657485, 788982, 920479, 1314970, 1577964, 1840958, 1972455, 2629940, 2761437, 3681916, 3944910, 4602395, 5522874, 7889820, 9204790, 11045748, 13807185, 18409580, 27614370, 55228740]

約数ペア:

[(1, 55228740), (2, 27614370), (3, 18409580), (4, 13807185), (5, 11045748), (6, 9204790), (7, 7889820), (10, 5522874), (12, 4602395), (14, 3944910), (15, 3681916), (20, 2761437), (21, 2629940), (28, 1972455), (30, 1840958), (35, 1577964), (42, 1314970), (60, 920479), (70, 788982), (84, 657485), (105, 525988), (140, 394491), (210, 262994), (420, 131497)]