1290230620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{9215933}}^1$

素因数の和:9215949

約数の個数: 24

約数和(自身を含む): 3096553824

約数和(自身を除く): 1806323204

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 9215933, 18431866, 36863732, 46079665, 64511531, 92159330, 129023062, 184318660, 258046124, 322557655, 645115310, 1290230620]

約数ペア:

[(1, 1290230620), (2, 645115310), (4, 322557655), (5, 258046124), (7, 184318660), (10, 129023062), (14, 92159330), (20, 64511531), (28, 46079665), (35, 36863732), (70, 18431866), (140, 9215933)]