27831778940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{198798421}}^1$

素因数の和:198798437

約数の個数: 24

約数和(自身を含む): 66796269792

約数和(自身を除く): 38964490852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 198798421, 397596842, 795193684, 993992105, 1391588947, 1987984210, 2783177894, 3975968420, 5566355788, 6957944735, 13915889470, 27831778940]

約数ペア:

[(1, 27831778940), (2, 13915889470), (4, 6957944735), (5, 5566355788), (7, 3975968420), (10, 2783177894), (14, 1987984210), (20, 1391588947), (28, 993992105), (35, 795193684), (70, 397596842), (140, 198798421)]