3890791420

素因数分解:

$2^2\times 5^1\times {\mathrm{661}}^1\times {\mathrm{294311}}^1$

素因数の和:294981

約数の個数: 24

約数和(自身を含む): 8183050848

約数和(自身を除く): 4292259428

約数列:

[1, 2, 4, 5, 10, 20, 661, 1322, 2644, 3305, 6610, 13220, 294311, 588622, 1177244, 1471555, 2943110, 5886220, 194539571, 389079142, 778158284, 972697855, 1945395710, 3890791420]

約数ペア:

[(1, 3890791420), (2, 1945395710), (4, 972697855), (5, 778158284), (10, 389079142), (20, 194539571), (661, 5886220), (1322, 2943110), (2644, 1471555), (3305, 1177244), (6610, 588622), (13220, 294311)]