2888500

素因数分解:

$2^2\times 5^3\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:181

約数の個数: 48

約数和(自身を含む): 6486480

約数和(自身を除く): 3597980

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 100, 106, 109, 125, 212, 218, 250, 265, 436, 500, 530, 545, 1060, 1090, 1325, 2180, 2650, 2725, 5300, 5450, 5777, 6625, 10900, 11554, 13250, 13625, 23108, 26500, 27250, 28885, 54500, 57770, 115540, 144425, 288850, 577700, 722125, 1444250, 2888500]

約数ペア:

[(1, 2888500), (2, 1444250), (4, 722125), (5, 577700), (10, 288850), (20, 144425), (25, 115540), (50, 57770), (53, 54500), (100, 28885), (106, 27250), (109, 26500), (125, 23108), (212, 13625), (218, 13250), (250, 11554), (265, 10900), (436, 6625), (500, 5777), (530, 5450), (545, 5300), (1060, 2725), (1090, 2650), (1325, 2180)]