649123090

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{120431}}^1$

素因数の和:120463

約数の個数: 48

約数和(自身を含む): 1482758784

約数和(自身を除く): 833635694

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 77, 98, 110, 154, 245, 385, 490, 539, 770, 1078, 2695, 5390, 120431, 240862, 602155, 843017, 1204310, 1324741, 1686034, 2649482, 4215085, 5901119, 6623705, 8430170, 9273187, 11802238, 13247410, 18546374, 29505595, 46365935, 59011190, 64912309, 92731870, 129824618, 324561545, 649123090]

約数ペア:

[(1, 649123090), (2, 324561545), (5, 129824618), (7, 92731870), (10, 64912309), (11, 59011190), (14, 46365935), (22, 29505595), (35, 18546374), (49, 13247410), (55, 11802238), (70, 9273187), (77, 8430170), (98, 6623705), (110, 5901119), (154, 4215085), (245, 2649482), (385, 1686034), (490, 1324741), (539, 1204310), (770, 843017), (1078, 602155), (2695, 240862), (5390, 120431)]