317120050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{37529}}^1$

素因数の和:37567

約数の個数: 36

約数和(自身を含む): 638723070

約数和(自身を除く): 321603020

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 169, 325, 338, 650, 845, 1690, 4225, 8450, 37529, 75058, 187645, 375290, 487877, 938225, 975754, 1876450, 2439385, 4878770, 6342401, 12196925, 12684802, 24393850, 31712005, 63424010, 158560025, 317120050]

約数ペア:

[(1, 317120050), (2, 158560025), (5, 63424010), (10, 31712005), (13, 24393850), (25, 12684802), (26, 12196925), (50, 6342401), (65, 4878770), (130, 2439385), (169, 1876450), (325, 975754), (338, 938225), (650, 487877), (845, 375290), (1690, 187645), (4225, 75058), (8450, 37529)]