2245000

素因数分解:

$2^3\times 5^4\times {\mathrm{449}}^1$

素因数の和:475

約数の個数: 40

約数和(自身を含む): 5271750

約数和(自身を除く): 3026750

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 449, 500, 625, 898, 1000, 1250, 1796, 2245, 2500, 3592, 4490, 5000, 8980, 11225, 17960, 22450, 44900, 56125, 89800, 112250, 224500, 280625, 449000, 561250, 1122500, 2245000]

約数ペア:

[(1, 2245000), (2, 1122500), (4, 561250), (5, 449000), (8, 280625), (10, 224500), (20, 112250), (25, 89800), (40, 56125), (50, 44900), (100, 22450), (125, 17960), (200, 11225), (250, 8980), (449, 5000), (500, 4490), (625, 3592), (898, 2500), (1000, 2245), (1250, 1796)]