71788220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{2833}}^1$

素因数の和:3030

約数の個数: 48

約数和(自身を含む): 173304768

約数和(自身を除く): 101516548

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 181, 362, 724, 905, 1267, 1810, 2534, 2833, 3620, 5068, 5666, 6335, 11332, 12670, 14165, 19831, 25340, 28330, 39662, 56660, 79324, 99155, 198310, 396620, 512773, 1025546, 2051092, 2563865, 3589411, 5127730, 7178822, 10255460, 14357644, 17947055, 35894110, 71788220]

約数ペア:

[(1, 71788220), (2, 35894110), (4, 17947055), (5, 14357644), (7, 10255460), (10, 7178822), (14, 5127730), (20, 3589411), (28, 2563865), (35, 2051092), (70, 1025546), (140, 512773), (181, 396620), (362, 198310), (724, 99155), (905, 79324), (1267, 56660), (1810, 39662), (2534, 28330), (2833, 25340), (3620, 19831), (5068, 14165), (5666, 12670), (6335, 11332)]