85388220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{474379}}^1$

素因数の和:474394

約数の個数: 36

約数和(自身を含む): 259011480

約数和(自身を除く): 173623260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 474379, 948758, 1423137, 1897516, 2371895, 2846274, 4269411, 4743790, 5692548, 7115685, 8538822, 9487580, 14231370, 17077644, 21347055, 28462740, 42694110, 85388220]

約数ペア:

[(1, 85388220), (2, 42694110), (3, 28462740), (4, 21347055), (5, 17077644), (6, 14231370), (9, 9487580), (10, 8538822), (12, 7115685), (15, 5692548), (18, 4743790), (20, 4269411), (30, 2846274), (36, 2371895), (45, 1897516), (60, 1423137), (90, 948758), (180, 474379)]