126279440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{225499}}^1$

素因数の和:225519

約数の個数: 40

約数和(自身を含む): 335544000

約数和(自身を除く): 209264560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 225499, 450998, 901996, 1127495, 1578493, 1803992, 2254990, 3156986, 3607984, 4509980, 6313972, 7892465, 9019960, 12627944, 15784930, 18039920, 25255888, 31569860, 63139720, 126279440]

約数ペア:

[(1, 126279440), (2, 63139720), (4, 31569860), (5, 25255888), (7, 18039920), (8, 15784930), (10, 12627944), (14, 9019960), (16, 7892465), (20, 6313972), (28, 4509980), (35, 3607984), (40, 3156986), (56, 2254990), (70, 1803992), (80, 1578493), (112, 1127495), (140, 901996), (280, 450998), (560, 225499)]