68711420

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{733}}^1$

素因数の和:894

約数の個数: 48

約数和(自身を含む): 149207520

約数和(自身を除く): 80496100

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 109, 172, 215, 218, 430, 436, 545, 733, 860, 1090, 1466, 2180, 2932, 3665, 4687, 7330, 9374, 14660, 18748, 23435, 31519, 46870, 63038, 79897, 93740, 126076, 157595, 159794, 315190, 319588, 399485, 630380, 798970, 1597940, 3435571, 6871142, 13742284, 17177855, 34355710, 68711420]

約数ペア:

[(1, 68711420), (2, 34355710), (4, 17177855), (5, 13742284), (10, 6871142), (20, 3435571), (43, 1597940), (86, 798970), (109, 630380), (172, 399485), (215, 319588), (218, 315190), (430, 159794), (436, 157595), (545, 126076), (733, 93740), (860, 79897), (1090, 63038), (1466, 46870), (2180, 31519), (2932, 23435), (3665, 18748), (4687, 14660), (7330, 9374)]