2195000

素因数分解:

$2^3\times 5^4\times {\mathrm{439}}^1$

素因数の和:465

約数の個数: 40

約数和(自身を含む): 5154600

約数和(自身を除く): 2959600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 439, 500, 625, 878, 1000, 1250, 1756, 2195, 2500, 3512, 4390, 5000, 8780, 10975, 17560, 21950, 43900, 54875, 87800, 109750, 219500, 274375, 439000, 548750, 1097500, 2195000]

約数ペア:

[(1, 2195000), (2, 1097500), (4, 548750), (5, 439000), (8, 274375), (10, 219500), (20, 109750), (25, 87800), (40, 54875), (50, 43900), (100, 21950), (125, 17560), (200, 10975), (250, 8780), (439, 5000), (500, 4390), (625, 3512), (878, 2500), (1000, 2195), (1250, 1756)]