4490050

素因数分解:

$2^1\times 5^2\times {\mathrm{89}}^1\times {\mathrm{1009}}^1$

素因数の和:1110

約数の個数: 24

約数和(自身を含む): 8453700

約数和(自身を除く): 3963650

約数列:

[1, 2, 5, 10, 25, 50, 89, 178, 445, 890, 1009, 2018, 2225, 4450, 5045, 10090, 25225, 50450, 89801, 179602, 449005, 898010, 2245025, 4490050]

約数ペア:

[(1, 4490050), (2, 2245025), (5, 898010), (10, 449005), (25, 179602), (50, 89801), (89, 50450), (178, 25225), (445, 10090), (890, 5045), (1009, 4450), (2018, 2225)]