28284340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{202031}}^1$

素因数の和:202047

約数の個数: 24

約数和(自身を含む): 67882752

約数和(自身を除く): 39598412

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 202031, 404062, 808124, 1010155, 1414217, 2020310, 2828434, 4040620, 5656868, 7071085, 14142170, 28284340]

約数ペア:

[(1, 28284340), (2, 14142170), (4, 7071085), (5, 5656868), (7, 4040620), (10, 2828434), (14, 2020310), (20, 1414217), (28, 1010155), (35, 808124), (70, 404062), (140, 202031)]