28337540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{18401}}^1$

素因数の和:18428

約数の個数: 48

約数和(自身を含む): 74196864

約数和(自身を除く): 45859324

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, 18401, 36802, 73604, 92005, 128807, 184010, 202411, 257614, 368020, 404822, 515228, 644035, 809644, 1012055, 1288070, 1416877, 2024110, 2576140, 2833754, 4048220, 5667508, 7084385, 14168770, 28337540]

約数ペア:

[(1, 28337540), (2, 14168770), (4, 7084385), (5, 5667508), (7, 4048220), (10, 2833754), (11, 2576140), (14, 2024110), (20, 1416877), (22, 1288070), (28, 1012055), (35, 809644), (44, 644035), (55, 515228), (70, 404822), (77, 368020), (110, 257614), (140, 202411), (154, 184010), (220, 128807), (308, 92005), (385, 73604), (770, 36802), (1540, 18401)]