30355640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{108413}}^1$

素因数の和:108431

約数の個数: 32

約数和(自身を含む): 78058080

約数和(自身を除く): 47702440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 108413, 216826, 433652, 542065, 758891, 867304, 1084130, 1517782, 2168260, 3035564, 3794455, 4336520, 6071128, 7588910, 15177820, 30355640]

約数ペア:

[(1, 30355640), (2, 15177820), (4, 7588910), (5, 6071128), (7, 4336520), (8, 3794455), (10, 3035564), (14, 2168260), (20, 1517782), (28, 1084130), (35, 867304), (40, 758891), (56, 542065), (70, 433652), (140, 216826), (280, 108413)]