2649340

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{953}}^1$

素因数の和:1101

約数の個数: 24

約数和(自身を含む): 5609520

約数和(自身を除く): 2960180

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 953, 1390, 1906, 2780, 3812, 4765, 9530, 19060, 132467, 264934, 529868, 662335, 1324670, 2649340]

約数ペア:

[(1, 2649340), (2, 1324670), (4, 662335), (5, 529868), (10, 264934), (20, 132467), (139, 19060), (278, 9530), (556, 4765), (695, 3812), (953, 2780), (1390, 1906)]