8420860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{60149}}^1$

素因数の和:60165

約数の個数: 24

約数和(自身を含む): 20210400

約数和(自身を除く): 11789540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 60149, 120298, 240596, 300745, 421043, 601490, 842086, 1202980, 1684172, 2105215, 4210430, 8420860]

約数ペア:

[(1, 8420860), (2, 4210430), (4, 2105215), (5, 1684172), (7, 1202980), (10, 842086), (14, 601490), (20, 421043), (28, 300745), (35, 240596), (70, 120298), (140, 60149)]