180950420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1292503}}^1$

素因数の和:1292519

約数の個数: 24

約数和(自身を含む): 434281344

約数和(自身を除く): 253330924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1292503, 2585006, 5170012, 6462515, 9047521, 12925030, 18095042, 25850060, 36190084, 45237605, 90475210, 180950420]

約数ペア:

[(1, 180950420), (2, 90475210), (4, 45237605), (5, 36190084), (7, 25850060), (10, 18095042), (14, 12925030), (20, 9047521), (28, 6462515), (35, 5170012), (70, 2585006), (140, 1292503)]