2720676

素因数分解:

$2^2\times 3^1\times 7^3\times {\mathrm{661}}^1$

素因数の和:689

約数の個数: 48

約数和(自身を含む): 7414400

約数和(自身を除く): 4693724

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 343, 588, 661, 686, 1029, 1322, 1372, 1983, 2058, 2644, 3966, 4116, 4627, 7932, 9254, 13881, 18508, 27762, 32389, 55524, 64778, 97167, 129556, 194334, 226723, 388668, 453446, 680169, 906892, 1360338, 2720676]

約数ペア:

[(1, 2720676), (2, 1360338), (3, 906892), (4, 680169), (6, 453446), (7, 388668), (12, 226723), (14, 194334), (21, 129556), (28, 97167), (42, 64778), (49, 55524), (84, 32389), (98, 27762), (147, 18508), (196, 13881), (294, 9254), (343, 7932), (588, 4627), (661, 4116), (686, 3966), (1029, 2644), (1322, 2058), (1372, 1983)]