320424580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2288747}}^1$

素因数の和:2288763

約数の個数: 24

約数和(自身を含む): 769019328

約数和(自身を除く): 448594748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2288747, 4577494, 9154988, 11443735, 16021229, 22887470, 32042458, 45774940, 64084916, 80106145, 160212290, 320424580]

約数ペア:

[(1, 320424580), (2, 160212290), (4, 80106145), (5, 64084916), (7, 45774940), (10, 32042458), (14, 22887470), (20, 16021229), (28, 11443735), (35, 9154988), (70, 4577494), (140, 2288747)]