178146740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{5087}}^1$

素因数の和:5216

約数の個数: 48

約数和(自身を含む): 400038912

約数和(自身を除く): 221892172

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 103, 170, 206, 340, 412, 515, 1030, 1751, 2060, 3502, 5087, 7004, 8755, 10174, 17510, 20348, 25435, 35020, 50870, 86479, 101740, 172958, 345916, 432395, 523961, 864790, 1047922, 1729580, 2095844, 2619805, 5239610, 8907337, 10479220, 17814674, 35629348, 44536685, 89073370, 178146740]

約数ペア:

[(1, 178146740), (2, 89073370), (4, 44536685), (5, 35629348), (10, 17814674), (17, 10479220), (20, 8907337), (34, 5239610), (68, 2619805), (85, 2095844), (103, 1729580), (170, 1047922), (206, 864790), (340, 523961), (412, 432395), (515, 345916), (1030, 172958), (1751, 101740), (2060, 86479), (3502, 50870), (5087, 35020), (7004, 25435), (8755, 20348), (10174, 17510)]