249538460

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{290161}}^1$

素因数の和:290213

約数の個数: 24

約数和(自身を含む): 536219376

約数和(自身を除く): 286680916

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 290161, 580322, 1160644, 1450805, 2901610, 5803220, 12476923, 24953846, 49907692, 62384615, 124769230, 249538460]

約数ペア:

[(1, 249538460), (2, 124769230), (4, 62384615), (5, 49907692), (10, 24953846), (20, 12476923), (43, 5803220), (86, 2901610), (172, 1450805), (215, 1160644), (430, 580322), (860, 290161)]