90480740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{646291}}^1$

素因数の和:646307

約数の個数: 24

約数和(自身を含む): 217154112

約数和(自身を除く): 126673372

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 646291, 1292582, 2585164, 3231455, 4524037, 6462910, 9048074, 12925820, 18096148, 22620185, 45240370, 90480740]

約数ペア:

[(1, 90480740), (2, 45240370), (4, 22620185), (5, 18096148), (7, 12925820), (10, 9048074), (14, 6462910), (20, 4524037), (28, 3231455), (35, 2585164), (70, 1292582), (140, 646291)]