8316140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{311}}^1$

素因数の和:518

約数の個数: 48

約数和(自身を含む): 20127744

約数和(自身を除く): 11811604

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 191, 311, 382, 622, 764, 955, 1244, 1337, 1555, 1910, 2177, 2674, 3110, 3820, 4354, 5348, 6220, 6685, 8708, 10885, 13370, 21770, 26740, 43540, 59401, 118802, 237604, 297005, 415807, 594010, 831614, 1188020, 1663228, 2079035, 4158070, 8316140]

約数ペア:

[(1, 8316140), (2, 4158070), (4, 2079035), (5, 1663228), (7, 1188020), (10, 831614), (14, 594010), (20, 415807), (28, 297005), (35, 237604), (70, 118802), (140, 59401), (191, 43540), (311, 26740), (382, 21770), (622, 13370), (764, 10885), (955, 8708), (1244, 6685), (1337, 6220), (1555, 5348), (1910, 4354), (2177, 3820), (2674, 3110)]