142110290

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{290021}}^1$

素因数の和:290042

約数の個数: 24

約数和(自身を含む): 297562572

約数和(自身を除く): 155452282

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 290021, 580042, 1450105, 2030147, 2900210, 4060294, 10150735, 14211029, 20301470, 28422058, 71055145, 142110290]

約数ペア:

[(1, 142110290), (2, 71055145), (5, 28422058), (7, 20301470), (10, 14211029), (14, 10150735), (35, 4060294), (49, 2900210), (70, 2030147), (98, 1450105), (245, 580042), (490, 290021)]