28620340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{204431}}^1$

素因数の和:204447

約数の個数: 24

約数和(自身を含む): 68689152

約数和(自身を除く): 40068812

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 204431, 408862, 817724, 1022155, 1431017, 2044310, 2862034, 4088620, 5724068, 7155085, 14310170, 28620340]

約数ペア:

[(1, 28620340), (2, 14310170), (4, 7155085), (5, 5724068), (7, 4088620), (10, 2862034), (14, 2044310), (20, 1431017), (28, 1022155), (35, 817724), (70, 408862), (140, 204431)]