79777180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{15401}}^1$

素因数の和:15454

約数の個数: 48

約数和(自身を含む): 196652736

約数和(自身を除く): 116875556

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 5180, 15401, 30802, 61604, 77005, 107807, 154010, 215614, 308020, 431228, 539035, 569837, 1078070, 1139674, 2156140, 2279348, 2849185, 3988859, 5698370, 7977718, 11396740, 15955436, 19944295, 39888590, 79777180]

約数ペア:

[(1, 79777180), (2, 39888590), (4, 19944295), (5, 15955436), (7, 11396740), (10, 7977718), (14, 5698370), (20, 3988859), (28, 2849185), (35, 2279348), (37, 2156140), (70, 1139674), (74, 1078070), (140, 569837), (148, 539035), (185, 431228), (259, 308020), (370, 215614), (518, 154010), (740, 107807), (1036, 77005), (1295, 61604), (2590, 30802), (5180, 15401)]