2818220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:194

約数の個数: 48

約数和(自身を含む): 6320160

約数和(自身を除く): 3501940

約数列:

[1, 2, 4, 5, 10, 20, 29, 43, 58, 86, 113, 116, 145, 172, 215, 226, 290, 430, 452, 565, 580, 860, 1130, 1247, 2260, 2494, 3277, 4859, 4988, 6235, 6554, 9718, 12470, 13108, 16385, 19436, 24295, 24940, 32770, 48590, 65540, 97180, 140911, 281822, 563644, 704555, 1409110, 2818220]

約数ペア:

[(1, 2818220), (2, 1409110), (4, 704555), (5, 563644), (10, 281822), (20, 140911), (29, 97180), (43, 65540), (58, 48590), (86, 32770), (113, 24940), (116, 24295), (145, 19436), (172, 16385), (215, 13108), (226, 12470), (290, 9718), (430, 6554), (452, 6235), (565, 4988), (580, 4859), (860, 3277), (1130, 2494), (1247, 2260)]