7904930

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:215

約数の個数: 48

約数和(自身を含む): 16087680

約数和(自身を除く): 8182750

約数列:

[1, 2, 5, 10, 11, 22, 47, 55, 94, 110, 121, 139, 235, 242, 278, 470, 517, 605, 695, 1034, 1210, 1390, 1529, 2585, 3058, 5170, 5687, 6533, 7645, 11374, 13066, 15290, 16819, 28435, 32665, 33638, 56870, 65330, 71863, 84095, 143726, 168190, 359315, 718630, 790493, 1580986, 3952465, 7904930]

約数ペア:

[(1, 7904930), (2, 3952465), (5, 1580986), (10, 790493), (11, 718630), (22, 359315), (47, 168190), (55, 143726), (94, 84095), (110, 71863), (121, 65330), (139, 56870), (235, 33638), (242, 32665), (278, 28435), (470, 16819), (517, 15290), (605, 13066), (695, 11374), (1034, 7645), (1210, 6533), (1390, 5687), (1529, 5170), (2585, 3058)]