3981220

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1453}}^1$

素因数の和:1599

約数の個数: 24

約数和(自身を含む): 8427384

約数和(自身を除く): 4446164

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 1453, 2740, 2906, 5812, 7265, 14530, 29060, 199061, 398122, 796244, 995305, 1990610, 3981220]

約数ペア:

[(1, 3981220), (2, 1990610), (4, 995305), (5, 796244), (10, 398122), (20, 199061), (137, 29060), (274, 14530), (548, 7265), (685, 5812), (1370, 2906), (1453, 2740)]