140222992

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{499}}^1$

素因数の和:720

約数の個数: 80

約数和(自身を含む): 336784000

約数和(自身を除く): 196561008

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 193, 208, 364, 386, 499, 728, 772, 998, 1351, 1456, 1544, 1996, 2509, 2702, 3088, 3493, 3992, 5018, 5404, 6487, 6986, 7984, 10036, 10808, 12974, 13972, 17563, 20072, 21616, 25948, 27944, 35126, 40144, 45409, 51896, 55888, 70252, 90818, 96307, 103792, 140504, 181636, 192614, 281008, 363272, 385228, 674149, 726544, 770456, 1251991, 1348298, 1540912, 2503982, 2696596, 5007964, 5393192, 8763937, 10015928, 10786384, 17527874, 20031856, 35055748, 70111496, 140222992]

約数ペア:

[(1, 140222992), (2, 70111496), (4, 35055748), (7, 20031856), (8, 17527874), (13, 10786384), (14, 10015928), (16, 8763937), (26, 5393192), (28, 5007964), (52, 2696596), (56, 2503982), (91, 1540912), (104, 1348298), (112, 1251991), (182, 770456), (193, 726544), (208, 674149), (364, 385228), (386, 363272), (499, 281008), (728, 192614), (772, 181636), (998, 140504), (1351, 103792), (1456, 96307), (1544, 90818), (1996, 70252), (2509, 55888), (2702, 51896), (3088, 45409), (3493, 40144), (3992, 35126), (5018, 27944), (5404, 25948), (6487, 21616), (6986, 20072), (7984, 17563), (10036, 13972), (10808, 12974)]