290210620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2072933}}^1$

素因数の和:2072949

約数の個数: 24

約数和(自身を含む): 696505824

約数和(自身を除く): 406295204

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2072933, 4145866, 8291732, 10364665, 14510531, 20729330, 29021062, 41458660, 58042124, 72552655, 145105310, 290210620]

約数ペア:

[(1, 290210620), (2, 145105310), (4, 72552655), (5, 58042124), (7, 41458660), (10, 29021062), (14, 20729330), (20, 14510531), (28, 10364665), (35, 8291732), (70, 4145866), (140, 2072933)]