209401980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{3490033}}^1$

素因数の和:3490045

約数の個数: 24

約数和(自身を含む): 586325712

約数和(自身を除く): 376923732

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 3490033, 6980066, 10470099, 13960132, 17450165, 20940198, 34900330, 41880396, 52350495, 69800660, 104700990, 209401980]

約数ペア:

[(1, 209401980), (2, 104700990), (3, 69800660), (4, 52350495), (5, 41880396), (6, 34900330), (10, 20940198), (12, 17450165), (15, 13960132), (20, 10470099), (30, 6980066), (60, 3490033)]