389446740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{2163593}}^1$

素因数の和:2163608

約数の個数: 36

約数和(自身を含む): 1181322324

約数和(自身を除く): 791875584

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 2163593, 4327186, 6490779, 8654372, 10817965, 12981558, 19472337, 21635930, 25963116, 32453895, 38944674, 43271860, 64907790, 77889348, 97361685, 129815580, 194723370, 389446740]

約数ペア:

[(1, 389446740), (2, 194723370), (3, 129815580), (4, 97361685), (5, 77889348), (6, 64907790), (9, 43271860), (10, 38944674), (12, 32453895), (15, 25963116), (18, 21635930), (20, 19472337), (30, 12981558), (36, 10817965), (45, 8654372), (60, 6490779), (90, 4327186), (180, 2163593)]