28289380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{202067}}^1$

素因数の和:202083

約数の個数: 24

約数和(自身を含む): 67894848

約数和(自身を除く): 39605468

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 202067, 404134, 808268, 1010335, 1414469, 2020670, 2828938, 4041340, 5657876, 7072345, 14144690, 28289380]

約数ペア:

[(1, 28289380), (2, 14144690), (4, 7072345), (5, 5657876), (7, 4041340), (10, 2828938), (14, 2020670), (20, 1414469), (28, 1010335), (35, 808268), (70, 404134), (140, 202067)]