1913500

素因数分解:

$2^2\times 5^3\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:151

約数の個数: 48

約数和(自身を含む): 4324320

約数和(自身を除く): 2410820

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 89, 100, 125, 172, 178, 215, 250, 356, 430, 445, 500, 860, 890, 1075, 1780, 2150, 2225, 3827, 4300, 4450, 5375, 7654, 8900, 10750, 11125, 15308, 19135, 21500, 22250, 38270, 44500, 76540, 95675, 191350, 382700, 478375, 956750, 1913500]

約数ペア:

[(1, 1913500), (2, 956750), (4, 478375), (5, 382700), (10, 191350), (20, 95675), (25, 76540), (43, 44500), (50, 38270), (86, 22250), (89, 21500), (100, 19135), (125, 15308), (172, 11125), (178, 10750), (215, 8900), (250, 7654), (356, 5375), (430, 4450), (445, 4300), (500, 3827), (860, 2225), (890, 2150), (1075, 1780)]