688460

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1187}}^1$

素因数の和:1225

約数の個数: 24

約数和(自身を含む): 1496880

約数和(自身を除く): 808420

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 1187, 2374, 4748, 5935, 11870, 23740, 34423, 68846, 137692, 172115, 344230, 688460]

約数ペア:

[(1, 688460), (2, 344230), (4, 172115), (5, 137692), (10, 68846), (20, 34423), (29, 23740), (58, 11870), (116, 5935), (145, 4748), (290, 2374), (580, 1187)]