4490220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{10691}}^1$

素因数の和:10710

約数の個数: 48

約数和(自身を含む): 14370048

約数和(自身を除く): 9879828

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, 10691, 21382, 32073, 42764, 53455, 64146, 74837, 106910, 128292, 149674, 160365, 213820, 224511, 299348, 320730, 374185, 449022, 641460, 748370, 898044, 1122555, 1496740, 2245110, 4490220]

約数ペア:

[(1, 4490220), (2, 2245110), (3, 1496740), (4, 1122555), (5, 898044), (6, 748370), (7, 641460), (10, 449022), (12, 374185), (14, 320730), (15, 299348), (20, 224511), (21, 213820), (28, 160365), (30, 149674), (35, 128292), (42, 106910), (60, 74837), (70, 64146), (84, 53455), (105, 42764), (140, 32073), (210, 21382), (420, 10691)]