172373180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{175891}}^1$

素因数の和:175914

約数の個数: 36

約数和(自身を含む): 421085448

約数和(自身を除く): 248712268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 175891, 351782, 703564, 879455, 1231237, 1758910, 2462474, 3517820, 4924948, 6156185, 8618659, 12312370, 17237318, 24624740, 34474636, 43093295, 86186590, 172373180]

約数ペア:

[(1, 172373180), (2, 86186590), (4, 43093295), (5, 34474636), (7, 24624740), (10, 17237318), (14, 12312370), (20, 8618659), (28, 6156185), (35, 4924948), (49, 3517820), (70, 2462474), (98, 1758910), (140, 1231237), (196, 879455), (245, 703564), (490, 351782), (980, 175891)]