2218000

素因数分解:

$2^4\times 5^3\times {\mathrm{1109}}^1$

素因数の和:1132

約数の個数: 40

約数和(自身を含む): 5367960

約数和(自身を除く): 3149960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 1109, 2000, 2218, 4436, 5545, 8872, 11090, 17744, 22180, 27725, 44360, 55450, 88720, 110900, 138625, 221800, 277250, 443600, 554500, 1109000, 2218000]

約数ペア:

[(1, 2218000), (2, 1109000), (4, 554500), (5, 443600), (8, 277250), (10, 221800), (16, 138625), (20, 110900), (25, 88720), (40, 55450), (50, 44360), (80, 27725), (100, 22180), (125, 17744), (200, 11090), (250, 8872), (400, 5545), (500, 4436), (1000, 2218), (1109, 2000)]