90487460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{646339}}^1$

素因数の和:646355

約数の個数: 24

約数和(自身を含む): 217170240

約数和(自身を除く): 126682780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 646339, 1292678, 2585356, 3231695, 4524373, 6463390, 9048746, 12926780, 18097492, 22621865, 45243730, 90487460]

約数ペア:

[(1, 90487460), (2, 45243730), (4, 22621865), (5, 18097492), (7, 12926780), (10, 9048746), (14, 6463390), (20, 4524373), (28, 3231695), (35, 2585356), (70, 1292678), (140, 646339)]