419280920

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{54311}}^1$

素因数の和:54515

約数の個数: 32

約数和(自身を含む): 948287520

約数和(自身を除く): 529006600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 965, 1544, 1930, 3860, 7720, 54311, 108622, 217244, 271555, 434488, 543110, 1086220, 2172440, 10482023, 20964046, 41928092, 52410115, 83856184, 104820230, 209640460, 419280920]

約数ペア:

[(1, 419280920), (2, 209640460), (4, 104820230), (5, 83856184), (8, 52410115), (10, 41928092), (20, 20964046), (40, 10482023), (193, 2172440), (386, 1086220), (772, 543110), (965, 434488), (1544, 271555), (1930, 217244), (3860, 108622), (7720, 54311)]