390109.0000000

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{919}}^1$

素因数の和:1131

約数の個数: 24

約数和(自身を含む): 15301440

約数和(自身を除く): 7335548

約数列:

[1, 2, 4, 11, 22, 44, 197, 394, 788, 919, 1838, 2167, 3676, 4334, 8668, 10109, 20218, 40436, 181043, 362086, 724172, 1991473, 3982946, 7965892]

約数ペア:

[(1, 7965892), (2, 3982946), (4, 1991473), (11, 724172), (22, 362086), (44, 181043), (197, 40436), (394, 20218), (788, 10109), (919, 8668), (1838, 4334), (2167, 3676)]