28463260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{203309}}^1$

素因数の和:203325

約数の個数: 24

約数和(自身を含む): 68312160

約数和(自身を除く): 39848900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 203309, 406618, 813236, 1016545, 1423163, 2033090, 2846326, 4066180, 5692652, 7115815, 14231630, 28463260]

約数ペア:

[(1, 28463260), (2, 14231630), (4, 7115815), (5, 5692652), (7, 4066180), (10, 2846326), (14, 2033090), (20, 1423163), (28, 1016545), (35, 813236), (70, 406618), (140, 203309)]