121498220

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{141277}}^1$

素因数の和:141329

約数の個数: 24

約数和(自身を含む): 261081744

約数和(自身を除く): 139583524

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 141277, 282554, 565108, 706385, 1412770, 2825540, 6074911, 12149822, 24299644, 30374555, 60749110, 121498220]

約数ペア:

[(1, 121498220), (2, 60749110), (4, 30374555), (5, 24299644), (10, 12149822), (20, 6074911), (43, 2825540), (86, 1412770), (172, 706385), (215, 565108), (430, 282554), (860, 141277)]