7677220

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:244

約数の個数: 48

約数和(自身を含む): 16853760

約数和(自身を除く): 9176540

約数列:

[1, 2, 4, 5, 10, 20, 43, 79, 86, 113, 158, 172, 215, 226, 316, 395, 430, 452, 565, 790, 860, 1130, 1580, 2260, 3397, 4859, 6794, 8927, 9718, 13588, 16985, 17854, 19436, 24295, 33970, 35708, 44635, 48590, 67940, 89270, 97180, 178540, 383861, 767722, 1535444, 1919305, 3838610, 7677220]

約数ペア:

[(1, 7677220), (2, 3838610), (4, 1919305), (5, 1535444), (10, 767722), (20, 383861), (43, 178540), (79, 97180), (86, 89270), (113, 67940), (158, 48590), (172, 44635), (215, 35708), (226, 33970), (316, 24295), (395, 19436), (430, 17854), (452, 16985), (565, 13588), (790, 9718), (860, 8927), (1130, 6794), (1580, 4859), (2260, 3397)]