9984500

素因数分解:

$2^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{1051}}^1$

素因数の和:1089

約数の個数: 48

約数和(自身を含む): 22975680

約数和(自身を除く): 12991180

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 125, 190, 250, 380, 475, 500, 950, 1051, 1900, 2102, 2375, 4204, 4750, 5255, 9500, 10510, 19969, 21020, 26275, 39938, 52550, 79876, 99845, 105100, 131375, 199690, 262750, 399380, 499225, 525500, 998450, 1996900, 2496125, 4992250, 9984500]

約数ペア:

[(1, 9984500), (2, 4992250), (4, 2496125), (5, 1996900), (10, 998450), (19, 525500), (20, 499225), (25, 399380), (38, 262750), (50, 199690), (76, 131375), (95, 105100), (100, 99845), (125, 79876), (190, 52550), (250, 39938), (380, 26275), (475, 21020), (500, 19969), (950, 10510), (1051, 9500), (1900, 5255), (2102, 4750), (2375, 4204)]