1984700

素因数分解:

$2^2\times 5^2\times {\mathrm{89}}^1\times {\mathrm{223}}^1$

素因数の和:326

約数の個数: 36

約数和(自身を含む): 4374720

約数和(自身を除く): 2390020

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 89, 100, 178, 223, 356, 445, 446, 890, 892, 1115, 1780, 2225, 2230, 4450, 4460, 5575, 8900, 11150, 19847, 22300, 39694, 79388, 99235, 198470, 396940, 496175, 992350, 1984700]

約数ペア:

[(1, 1984700), (2, 992350), (4, 496175), (5, 396940), (10, 198470), (20, 99235), (25, 79388), (50, 39694), (89, 22300), (100, 19847), (178, 11150), (223, 8900), (356, 5575), (445, 4460), (446, 4450), (890, 2230), (892, 2225), (1115, 1780)]