257317870

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{4957}}^1$

素因数の和:5172

約数の個数: 32

約数和(自身を含む): 481917600

約数和(自身を除く): 224599730

約数列:

[1, 2, 5, 10, 29, 58, 145, 179, 290, 358, 895, 1790, 4957, 5191, 9914, 10382, 24785, 25955, 49570, 51910, 143753, 287506, 718765, 887303, 1437530, 1774606, 4436515, 8873030, 25731787, 51463574, 128658935, 257317870]

約数ペア:

[(1, 257317870), (2, 128658935), (5, 51463574), (10, 25731787), (29, 8873030), (58, 4436515), (145, 1774606), (179, 1437530), (290, 887303), (358, 718765), (895, 287506), (1790, 143753), (4957, 51910), (5191, 49570), (9914, 25955), (10382, 24785)]