320180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2287}}^1$

素因数の和:2303

約数の個数: 24

約数和(自身を含む): 768768

約数和(自身を除く): 448588

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2287, 4574, 9148, 11435, 16009, 22870, 32018, 45740, 64036, 80045, 160090, 320180]

約数ペア:

[(1, 320180), (2, 160090), (4, 80045), (5, 64036), (7, 45740), (10, 32018), (14, 22870), (20, 16009), (28, 11435), (35, 9148), (70, 4574), (140, 2287)]