12981500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{3709}}^1$

素因数の和:3735

約数の個数: 48

約数和(自身を含む): 32410560

約数和(自身を除く): 19429060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 350, 500, 700, 875, 1750, 3500, 3709, 7418, 14836, 18545, 25963, 37090, 51926, 74180, 92725, 103852, 129815, 185450, 259630, 370900, 463625, 519260, 649075, 927250, 1298150, 1854500, 2596300, 3245375, 6490750, 12981500]

約数ペア:

[(1, 12981500), (2, 6490750), (4, 3245375), (5, 2596300), (7, 1854500), (10, 1298150), (14, 927250), (20, 649075), (25, 519260), (28, 463625), (35, 370900), (50, 259630), (70, 185450), (100, 129815), (125, 103852), (140, 92725), (175, 74180), (250, 51926), (350, 37090), (500, 25963), (700, 18545), (875, 14836), (1750, 7418), (3500, 3709)]