201409420

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{234197}}^1$

素因数の和:234249

約数の個数: 24

約数和(自身を含む): 432797904

約数和(自身を除く): 231388484

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 234197, 468394, 936788, 1170985, 2341970, 4683940, 10070471, 20140942, 40281884, 50352355, 100704710, 201409420]

約数ペア:

[(1, 201409420), (2, 100704710), (4, 50352355), (5, 40281884), (10, 20140942), (20, 10070471), (43, 4683940), (86, 2341970), (172, 1170985), (215, 936788), (430, 468394), (860, 234197)]