3890740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{27791}}^1$

素因数の和:27807

約数の個数: 24

約数和(自身を含む): 9338112

約数和(自身を除く): 5447372

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 27791, 55582, 111164, 138955, 194537, 277910, 389074, 555820, 778148, 972685, 1945370, 3890740]

約数ペア:

[(1, 3890740), (2, 1945370), (4, 972685), (5, 778148), (7, 555820), (10, 389074), (14, 277910), (20, 194537), (28, 138955), (35, 111164), (70, 55582), (140, 27791)]