9438500

素因数分解:

$2^2\times 5^3\times {\mathrm{43}}^1\times {\mathrm{439}}^1$

素因数の和:501

約数の個数: 48

約数和(自身を含む): 21141120

約数和(自身を除く): 11702620

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 125, 172, 215, 250, 430, 439, 500, 860, 878, 1075, 1756, 2150, 2195, 4300, 4390, 5375, 8780, 10750, 10975, 18877, 21500, 21950, 37754, 43900, 54875, 75508, 94385, 109750, 188770, 219500, 377540, 471925, 943850, 1887700, 2359625, 4719250, 9438500]

約数ペア:

[(1, 9438500), (2, 4719250), (4, 2359625), (5, 1887700), (10, 943850), (20, 471925), (25, 377540), (43, 219500), (50, 188770), (86, 109750), (100, 94385), (125, 75508), (172, 54875), (215, 43900), (250, 37754), (430, 21950), (439, 21500), (500, 18877), (860, 10975), (878, 10750), (1075, 8780), (1756, 5375), (2150, 4390), (2195, 4300)]