28184030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{21191}}^1$

素因数の和:21224

約数の個数: 32

約数和(自身を含む): 61032960

約数和(自身を除く): 32848930

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 21191, 42382, 105955, 148337, 211910, 296674, 402629, 741685, 805258, 1483370, 2013145, 2818403, 4026290, 5636806, 14092015, 28184030]

約数ペア:

[(1, 28184030), (2, 14092015), (5, 5636806), (7, 4026290), (10, 2818403), (14, 2013145), (19, 1483370), (35, 805258), (38, 741685), (70, 402629), (95, 296674), (133, 211910), (190, 148337), (266, 105955), (665, 42382), (1330, 21191)]