30672656

素因数分解:

$2^4\times 7^1\times {\mathrm{137}}^1\times {\mathrm{1999}}^1$

素因数の和:2151

約数の個数: 40

約数和(自身を含む): 68448000

約数和(自身を除く): 37775344

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 137, 274, 548, 959, 1096, 1918, 1999, 2192, 3836, 3998, 7672, 7996, 13993, 15344, 15992, 27986, 31984, 55972, 111944, 223888, 273863, 547726, 1095452, 1917041, 2190904, 3834082, 4381808, 7668164, 15336328, 30672656]

約数ペア:

[(1, 30672656), (2, 15336328), (4, 7668164), (7, 4381808), (8, 3834082), (14, 2190904), (16, 1917041), (28, 1095452), (56, 547726), (112, 273863), (137, 223888), (274, 111944), (548, 55972), (959, 31984), (1096, 27986), (1918, 15992), (1999, 15344), (2192, 13993), (3836, 7996), (3998, 7672)]