76781740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{548441}}^1$

素因数の和:548457

約数の個数: 24

約数和(自身を含む): 184276512

約数和(自身を除く): 107494772

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 548441, 1096882, 2193764, 2742205, 3839087, 5484410, 7678174, 10968820, 15356348, 19195435, 38390870, 76781740]

約数ペア:

[(1, 76781740), (2, 38390870), (4, 19195435), (5, 15356348), (7, 10968820), (10, 7678174), (14, 5484410), (20, 3839087), (28, 2742205), (35, 2193764), (70, 1096882), (140, 548441)]