165593820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{394271}}^1$

素因数の和:394290

約数の個数: 48

約数和(自身を含む): 529901568

約数和(自身を除く): 364307748

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 394271, 788542, 1182813, 1577084, 1971355, 2365626, 2759897, 3942710, 4731252, 5519794, 5914065, 7885420, 8279691, 11039588, 11828130, 13799485, 16559382, 23656260, 27598970, 33118764, 41398455, 55197940, 82796910, 165593820]

約数ペア:

[(1, 165593820), (2, 82796910), (3, 55197940), (4, 41398455), (5, 33118764), (6, 27598970), (7, 23656260), (10, 16559382), (12, 13799485), (14, 11828130), (15, 11039588), (20, 8279691), (21, 7885420), (28, 5914065), (30, 5519794), (35, 4731252), (42, 3942710), (60, 2759897), (70, 2365626), (84, 1971355), (105, 1577084), (140, 1182813), (210, 788542), (420, 394271)]