2981500

素因数分解:

$2^2\times 5^3\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:175

約数の個数: 48

約数和(自身を含む): 6683040

約数和(自身を除く): 3701540

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 67, 89, 100, 125, 134, 178, 250, 268, 335, 356, 445, 500, 670, 890, 1340, 1675, 1780, 2225, 3350, 4450, 5963, 6700, 8375, 8900, 11125, 11926, 16750, 22250, 23852, 29815, 33500, 44500, 59630, 119260, 149075, 298150, 596300, 745375, 1490750, 2981500]

約数ペア:

[(1, 2981500), (2, 1490750), (4, 745375), (5, 596300), (10, 298150), (20, 149075), (25, 119260), (50, 59630), (67, 44500), (89, 33500), (100, 29815), (125, 23852), (134, 22250), (178, 16750), (250, 11926), (268, 11125), (335, 8900), (356, 8375), (445, 6700), (500, 5963), (670, 4450), (890, 3350), (1340, 2225), (1675, 1780)]