239944220

素因数分解:

$2^2\times 5^1\times {\mathrm{1901}}^1\times {\mathrm{6311}}^1$

素因数の和:8221

約数の個数: 24

約数和(自身を含む): 504227808

約数和(自身を除く): 264283588

約数列:

[1, 2, 4, 5, 10, 20, 1901, 3802, 6311, 7604, 9505, 12622, 19010, 25244, 31555, 38020, 63110, 126220, 11997211, 23994422, 47988844, 59986055, 119972110, 239944220]

約数ペア:

[(1, 239944220), (2, 119972110), (4, 59986055), (5, 47988844), (10, 23994422), (20, 11997211), (1901, 126220), (3802, 63110), (6311, 38020), (7604, 31555), (9505, 25244), (12622, 19010)]