164202380

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{431}}^1\times {\mathrm{443}}^1$

素因数の和:926

約数の個数: 48

約数和(自身を含む): 354461184

約数和(自身を除く): 190258804

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 431, 443, 860, 862, 886, 1724, 1772, 2155, 2215, 4310, 4430, 8620, 8860, 18533, 19049, 37066, 38098, 74132, 76196, 92665, 95245, 185330, 190490, 190933, 370660, 380980, 381866, 763732, 954665, 1909330, 3818660, 8210119, 16420238, 32840476, 41050595, 82101190, 164202380]

約数ペア:

[(1, 164202380), (2, 82101190), (4, 41050595), (5, 32840476), (10, 16420238), (20, 8210119), (43, 3818660), (86, 1909330), (172, 954665), (215, 763732), (430, 381866), (431, 380980), (443, 370660), (860, 190933), (862, 190490), (886, 185330), (1724, 95245), (1772, 92665), (2155, 76196), (2215, 74132), (4310, 38098), (4430, 37066), (8620, 19049), (8860, 18533)]