77901740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{556441}}^1$

素因数の和:556457

約数の個数: 24

約数和(自身を含む): 186964512

約数和(自身を除く): 109062772

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 556441, 1112882, 2225764, 2782205, 3895087, 5564410, 7790174, 11128820, 15580348, 19475435, 38950870, 77901740]

約数ペア:

[(1, 77901740), (2, 38950870), (4, 19475435), (5, 15580348), (7, 11128820), (10, 7790174), (14, 5564410), (20, 3895087), (28, 2782205), (35, 2225764), (70, 1112882), (140, 556441)]