421686440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1506023}}^1$

素因数の和:1506041

約数の個数: 32

約数和(自身を含む): 1084337280

約数和(自身を除く): 662650840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1506023, 3012046, 6024092, 7530115, 10542161, 12048184, 15060230, 21084322, 30120460, 42168644, 52710805, 60240920, 84337288, 105421610, 210843220, 421686440]

約数ペア:

[(1, 421686440), (2, 210843220), (4, 105421610), (5, 84337288), (7, 60240920), (8, 52710805), (10, 42168644), (14, 30120460), (20, 21084322), (28, 15060230), (35, 12048184), (40, 10542161), (56, 7530115), (70, 6024092), (140, 3012046), (280, 1506023)]