131454820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{938963}}^1$

素因数の和:938979

約数の個数: 24

約数和(自身を含む): 315491904

約数和(自身を除く): 184037084

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 938963, 1877926, 3755852, 4694815, 6572741, 9389630, 13145482, 18779260, 26290964, 32863705, 65727410, 131454820]

約数ペア:

[(1, 131454820), (2, 65727410), (4, 32863705), (5, 26290964), (7, 18779260), (10, 13145482), (14, 9389630), (20, 6572741), (28, 4694815), (35, 3755852), (70, 1877926), (140, 938963)]