238220

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{277}}^1$

素因数の和:329

約数の個数: 24

約数和(自身を含む): 513744

約数和(自身を除く): 275524

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 277, 430, 554, 860, 1108, 1385, 2770, 5540, 11911, 23822, 47644, 59555, 119110, 238220]

約数ペア:

[(1, 238220), (2, 119110), (4, 59555), (5, 47644), (10, 23822), (20, 11911), (43, 5540), (86, 2770), (172, 1385), (215, 1108), (277, 860), (430, 554)]