28337260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{202409}}^1$

素因数の和:202425

約数の個数: 24

約数和(自身を含む): 68009760

約数和(自身を除く): 39672500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 202409, 404818, 809636, 1012045, 1416863, 2024090, 2833726, 4048180, 5667452, 7084315, 14168630, 28337260]

約数ペア:

[(1, 28337260), (2, 14168630), (4, 7084315), (5, 5667452), (7, 4048180), (10, 2833726), (14, 2024090), (20, 1416863), (28, 1012045), (35, 809636), (70, 404818), (140, 202409)]