68297180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{69691}}^1$

素因数の和:69714

約数の個数: 36

約数和(自身を含む): 166842648

約数和(自身を除く): 98545468

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 69691, 139382, 278764, 348455, 487837, 696910, 975674, 1393820, 1951348, 2439185, 3414859, 4878370, 6829718, 9756740, 13659436, 17074295, 34148590, 68297180]

約数ペア:

[(1, 68297180), (2, 34148590), (4, 17074295), (5, 13659436), (7, 9756740), (10, 6829718), (14, 4878370), (20, 3414859), (28, 2439185), (35, 1951348), (49, 1393820), (70, 975674), (98, 696910), (140, 487837), (196, 348455), (245, 278764), (490, 139382), (980, 69691)]