15388660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109919}}^1$

素因数の和:109935

約数の個数: 24

約数和(自身を含む): 36933120

約数和(自身を除く): 21544460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 109919, 219838, 439676, 549595, 769433, 1099190, 1538866, 2198380, 3077732, 3847165, 7694330, 15388660]

約数ペア:

[(1, 15388660), (2, 7694330), (4, 3847165), (5, 3077732), (7, 2198380), (10, 1538866), (14, 1099190), (20, 769433), (28, 549595), (35, 439676), (70, 219838), (140, 109919)]