3974180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{28387}}^1$

素因数の和:28403

約数の個数: 24

約数和(自身を含む): 9538368

約数和(自身を除く): 5564188

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 28387, 56774, 113548, 141935, 198709, 283870, 397418, 567740, 794836, 993545, 1987090, 3974180]

約数ペア:

[(1, 3974180), (2, 1987090), (4, 993545), (5, 794836), (7, 567740), (10, 397418), (14, 283870), (20, 198709), (28, 141935), (35, 113548), (70, 56774), (140, 28387)]