209341980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1163011}}^1$

素因数の和:1163026

約数の個数: 36

約数和(自身を含む): 635004552

約数和(自身を除く): 425662572

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1163011, 2326022, 3489033, 4652044, 5815055, 6978066, 10467099, 11630110, 13956132, 17445165, 20934198, 23260220, 34890330, 41868396, 52335495, 69780660, 104670990, 209341980]

約数ペア:

[(1, 209341980), (2, 104670990), (3, 69780660), (4, 52335495), (5, 41868396), (6, 34890330), (9, 23260220), (10, 20934198), (12, 17445165), (15, 13956132), (18, 11630110), (20, 10467099), (30, 6978066), (36, 5815055), (45, 4652044), (60, 3489033), (90, 2326022), (180, 1163011)]