2019913840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{3606989}}^1$

素因数の和:3607009

約数の個数: 40

約数和(自身を含む): 5367201120

約数和(自身を除く): 3347287280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 3606989, 7213978, 14427956, 18034945, 25248923, 28855912, 36069890, 50497846, 57711824, 72139780, 100995692, 126244615, 144279560, 201991384, 252489230, 288559120, 403982768, 504978460, 1009956920, 2019913840]

約数ペア:

[(1, 2019913840), (2, 1009956920), (4, 504978460), (5, 403982768), (7, 288559120), (8, 252489230), (10, 201991384), (14, 144279560), (16, 126244615), (20, 100995692), (28, 72139780), (35, 57711824), (40, 50497846), (56, 36069890), (70, 28855912), (80, 25248923), (112, 18034945), (140, 14427956), (280, 7213978), (560, 3606989)]