64948660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{463919}}^1$

素因数の和:463935

約数の個数: 24

約数和(自身を含む): 155877120

約数和(自身を除く): 90928460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 463919, 927838, 1855676, 2319595, 3247433, 4639190, 6494866, 9278380, 12989732, 16237165, 32474330, 64948660]

約数ペア:

[(1, 64948660), (2, 32474330), (4, 16237165), (5, 12989732), (7, 9278380), (10, 6494866), (14, 4639190), (20, 3247433), (28, 2319595), (35, 1855676), (70, 927838), (140, 463919)]