1320220370

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{18860291}}^1$

素因数の和:18860305

約数の個数: 16

約数和(自身を含む): 2715882048

約数和(自身を除く): 1395661678

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 18860291, 37720582, 94301455, 132022037, 188602910, 264044074, 660110185, 1320220370]

約数ペア:

[(1, 1320220370), (2, 660110185), (5, 264044074), (7, 188602910), (10, 132022037), (14, 94301455), (35, 37720582), (70, 18860291)]