389871050

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{190181}}^1$

素因数の和:190234

約数の個数: 24

約数和(自身を含む): 742850892

約数和(自身を除く): 352979842

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 205, 410, 1025, 2050, 190181, 380362, 950905, 1901810, 4754525, 7797421, 9509050, 15594842, 38987105, 77974210, 194935525, 389871050]

約数ペア:

[(1, 389871050), (2, 194935525), (5, 77974210), (10, 38987105), (25, 15594842), (41, 9509050), (50, 7797421), (82, 4754525), (205, 1901810), (410, 950905), (1025, 380362), (2050, 190181)]