257060260

素因数分解:

$2^2\times 5^1\times {\mathrm{1759}}^1\times {\mathrm{7307}}^1$

素因数の和:9075

約数の個数: 24

約数和(自身を含む): 540207360

約数和(自身を除く): 283147100

約数列:

[1, 2, 4, 5, 10, 20, 1759, 3518, 7036, 7307, 8795, 14614, 17590, 29228, 35180, 36535, 73070, 146140, 12853013, 25706026, 51412052, 64265065, 128530130, 257060260]

約数ペア:

[(1, 257060260), (2, 128530130), (4, 64265065), (5, 51412052), (10, 25706026), (20, 12853013), (1759, 146140), (3518, 73070), (7036, 36535), (7307, 35180), (8795, 29228), (14614, 17590)]