28282940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{202021}}^1$

素因数の和:202037

約数の個数: 24

約数和(自身を含む): 67879392

約数和(自身を除く): 39596452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 202021, 404042, 808084, 1010105, 1414147, 2020210, 2828294, 4040420, 5656588, 7070735, 14141470, 28282940]

約数ペア:

[(1, 28282940), (2, 14141470), (4, 7070735), (5, 5656588), (7, 4040420), (10, 2828294), (14, 2020210), (20, 1414147), (28, 1010105), (35, 808084), (70, 404042), (140, 202021)]