31420270

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{64123}}^1$

素因数の和:64144

約数の個数: 24

約数和(自身を含む): 65791224

約数和(自身を除く): 34370954

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 64123, 128246, 320615, 448861, 641230, 897722, 2244305, 3142027, 4488610, 6284054, 15710135, 31420270]

約数ペア:

[(1, 31420270), (2, 15710135), (5, 6284054), (7, 4488610), (10, 3142027), (14, 2244305), (35, 897722), (49, 641230), (70, 448861), (98, 320615), (245, 128246), (490, 64123)]