1285209860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{343639}}^1$

素因数の和:343676

約数の個数: 48

約数和(自身を含む): 3117502080

約数和(自身を除く): 1832292220

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 3740, 343639, 687278, 1374556, 1718195, 3436390, 3780029, 5841863, 6872780, 7560058, 11683726, 15120116, 18900145, 23367452, 29209315, 37800290, 58418630, 64260493, 75600580, 116837260, 128520986, 257041972, 321302465, 642604930, 1285209860]

約数ペア:

[(1, 1285209860), (2, 642604930), (4, 321302465), (5, 257041972), (10, 128520986), (11, 116837260), (17, 75600580), (20, 64260493), (22, 58418630), (34, 37800290), (44, 29209315), (55, 23367452), (68, 18900145), (85, 15120116), (110, 11683726), (170, 7560058), (187, 6872780), (220, 5841863), (340, 3780029), (374, 3436390), (748, 1718195), (935, 1374556), (1870, 687278), (3740, 343639)]