1990239690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{990169}}^1$

素因数の和:990246

約数の個数: 32

約数和(自身を含む): 4847872320

約数和(自身を除く): 2857632630

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 67, 134, 201, 335, 402, 670, 1005, 2010, 990169, 1980338, 2970507, 4950845, 5941014, 9901690, 14852535, 29705070, 66341323, 132682646, 199023969, 331706615, 398047938, 663413230, 995119845, 1990239690]

約数ペア:

[(1, 1990239690), (2, 995119845), (3, 663413230), (5, 398047938), (6, 331706615), (10, 199023969), (15, 132682646), (30, 66341323), (67, 29705070), (134, 14852535), (201, 9901690), (335, 5941014), (402, 4950845), (670, 2970507), (1005, 1980338), (2010, 990169)]