66629710

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{135979}}^1$

素因数の和:136000

約数の個数: 24

約数和(自身を含む): 139515480

約数和(自身を除く): 72885770

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 135979, 271958, 679895, 951853, 1359790, 1903706, 4759265, 6662971, 9518530, 13325942, 33314855, 66629710]

約数ペア:

[(1, 66629710), (2, 33314855), (5, 13325942), (7, 9518530), (10, 6662971), (14, 4759265), (35, 1903706), (49, 1359790), (70, 951853), (98, 679895), (245, 271958), (490, 135979)]