890809930

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{263}}^1\times {\mathrm{7877}}^1$

素因数の和:8190

約数の個数: 32

約数和(自身を含む): 1647195264

約数和(自身を除く): 756385334

約数列:

[1, 2, 5, 10, 43, 86, 215, 263, 430, 526, 1315, 2630, 7877, 11309, 15754, 22618, 39385, 56545, 78770, 113090, 338711, 677422, 1693555, 2071651, 3387110, 4143302, 10358255, 20716510, 89080993, 178161986, 445404965, 890809930]

約数ペア:

[(1, 890809930), (2, 445404965), (5, 178161986), (10, 89080993), (43, 20716510), (86, 10358255), (215, 4143302), (263, 3387110), (430, 2071651), (526, 1693555), (1315, 677422), (2630, 338711), (7877, 113090), (11309, 78770), (15754, 56545), (22618, 39385)]