308420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2203}}^1$

素因数の和:2219

約数の個数: 24

約数和(自身を含む): 740544

約数和(自身を除く): 432124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2203, 4406, 8812, 11015, 15421, 22030, 30842, 44060, 61684, 77105, 154210, 308420]

約数ペア:

[(1, 308420), (2, 154210), (4, 77105), (5, 61684), (7, 44060), (10, 30842), (14, 22030), (20, 15421), (28, 11015), (35, 8812), (70, 4406), (140, 2203)]