2018703540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{4806437}}^1$

素因数の和:4806456

約数の個数: 48

約数和(自身を含む): 6459852672

約数和(自身を除く): 4441149132

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, 4806437, 9612874, 14419311, 19225748, 24032185, 28838622, 33645059, 48064370, 57677244, 67290118, 72096555, 96128740, 100935177, 134580236, 144193110, 168225295, 201870354, 288386220, 336450590, 403740708, 504675885, 672901180, 1009351770, 2018703540]

約数ペア:

[(1, 2018703540), (2, 1009351770), (3, 672901180), (4, 504675885), (5, 403740708), (6, 336450590), (7, 288386220), (10, 201870354), (12, 168225295), (14, 144193110), (15, 134580236), (20, 100935177), (21, 96128740), (28, 72096555), (30, 67290118), (35, 57677244), (42, 48064370), (60, 33645059), (70, 28838622), (84, 24032185), (105, 19225748), (140, 14419311), (210, 9612874), (420, 4806437)]