280020944

素因数分解:

$2^4\times 7^1\times {\mathrm{2500187}}^1$

素因数の和:2500202

約数の個数: 20

約数和(自身を含む): 620046624

約数和(自身を除く): 340025680

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 2500187, 5000374, 10000748, 17501309, 20001496, 35002618, 40002992, 70005236, 140010472, 280020944]

約数ペア:

[(1, 280020944), (2, 140010472), (4, 70005236), (7, 40002992), (8, 35002618), (14, 20001496), (16, 17501309), (28, 10000748), (56, 5000374), (112, 2500187)]