209552220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1164179}}^1$

素因数の和:1164194

約数の個数: 36

約数和(自身を含む): 635642280

約数和(自身を除く): 426090060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1164179, 2328358, 3492537, 4656716, 5820895, 6985074, 10477611, 11641790, 13970148, 17462685, 20955222, 23283580, 34925370, 41910444, 52388055, 69850740, 104776110, 209552220]

約数ペア:

[(1, 209552220), (2, 104776110), (3, 69850740), (4, 52388055), (5, 41910444), (6, 34925370), (9, 23283580), (10, 20955222), (12, 17462685), (15, 13970148), (18, 11641790), (20, 10477611), (30, 6985074), (36, 5820895), (45, 4656716), (60, 3492537), (90, 2328358), (180, 1164179)]