191771020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1369793}}^1$

素因数の和:1369809

約数の個数: 24

約数和(自身を含む): 460250784

約数和(自身を除く): 268479764

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1369793, 2739586, 5479172, 6848965, 9588551, 13697930, 19177102, 27395860, 38354204, 47942755, 95885510, 191771020]

約数ペア:

[(1, 191771020), (2, 95885510), (4, 47942755), (5, 38354204), (7, 27395860), (10, 19177102), (14, 13697930), (20, 9588551), (28, 6848965), (35, 5479172), (70, 2739586), (140, 1369793)]