389956895

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{349}}^1\times {\mathrm{5197}}^1$

素因数の和:5594

約数の個数: 16

約数和(自身を含む): 480295200

約数和(自身を除く): 90338305

約数列:

[1, 5, 43, 215, 349, 1745, 5197, 15007, 25985, 75035, 223471, 1117355, 1813753, 9068765, 77991379, 389956895]

約数ペア:

[(1, 389956895), (5, 77991379), (43, 9068765), (215, 1813753), (349, 1117355), (1745, 223471), (5197, 75035), (15007, 25985)]