1249990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{2551}}^1$

素因数の和:2572

約数の個数: 24

約数和(自身を含む): 2618352

約数和(自身を除く): 1368362

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 2551, 5102, 12755, 17857, 25510, 35714, 89285, 124999, 178570, 249998, 624995, 1249990]

約数ペア:

[(1, 1249990), (2, 624995), (5, 249998), (7, 178570), (10, 124999), (14, 89285), (35, 35714), (49, 25510), (70, 17857), (98, 12755), (245, 5102), (490, 2551)]