1249000

素因数分解:

$2^3\times 5^3\times {\mathrm{1249}}^1$

素因数の和:1270

約数の個数: 32

約数和(自身を含む): 2925000

約数和(自身を除く): 1676000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 1249, 2498, 4996, 6245, 9992, 12490, 24980, 31225, 49960, 62450, 124900, 156125, 249800, 312250, 624500, 1249000]

約数ペア:

[(1, 1249000), (2, 624500), (4, 312250), (5, 249800), (8, 156125), (10, 124900), (20, 62450), (25, 49960), (40, 31225), (50, 24980), (100, 12490), (125, 9992), (200, 6245), (250, 4996), (500, 2498), (1000, 1249)]