4914140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3191}}^1$

素因数の和:3218

約数の個数: 48

約数和(自身を含む): 12870144

約数和(自身を除く): 7956004

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 3191, 6382, 12764, 15955, 22337, 31910, 35101, 44674, 63820, 70202, 89348, 111685, 140404, 175505, 223370, 245707, 351010, 446740, 491414, 702020, 982828, 1228535, 2457070, 4914140]

約数ペア:

[(1, 4914140), (2, 2457070), (4, 1228535), (5, 982828), (7, 702020), (10, 491414), (11, 446740), (14, 351010), (20, 245707), (22, 223370), (28, 175505), (35, 140404), (44, 111685), (55, 89348), (70, 70202), (77, 63820), (110, 44674), (140, 35101), (154, 31910), (220, 22337), (308, 15955), (385, 12764), (770, 6382), (1540, 3191)]