380671180

素因数分解:

$2^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{42391}}^1$

素因数の和:42849

約数の個数: 24

約数和(自身を含む): 801208800

約数和(自身を除く): 420537620

約数列:

[1, 2, 4, 5, 10, 20, 449, 898, 1796, 2245, 4490, 8980, 42391, 84782, 169564, 211955, 423910, 847820, 19033559, 38067118, 76134236, 95167795, 190335590, 380671180]

約数ペア:

[(1, 380671180), (2, 190335590), (4, 95167795), (5, 76134236), (10, 38067118), (20, 19033559), (449, 847820), (898, 423910), (1796, 211955), (2245, 169564), (4490, 84782), (8980, 42391)]