320132876

素因数分解:

$2^2\times 7^3\times {\mathrm{353}}^1\times {\mathrm{661}}^1$

素因数の和:1039

約数の個数: 48

約数和(自身を含む): 656174400

約数和(自身を除く): 336041524

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 353, 661, 686, 706, 1322, 1372, 1412, 2471, 2644, 4627, 4942, 9254, 9884, 17297, 18508, 32389, 34594, 64778, 69188, 121079, 129556, 226723, 233333, 242158, 453446, 466666, 484316, 906892, 933332, 1633331, 3266662, 6533324, 11433317, 22866634, 45733268, 80033219, 160066438, 320132876]

約数ペア:

[(1, 320132876), (2, 160066438), (4, 80033219), (7, 45733268), (14, 22866634), (28, 11433317), (49, 6533324), (98, 3266662), (196, 1633331), (343, 933332), (353, 906892), (661, 484316), (686, 466666), (706, 453446), (1322, 242158), (1372, 233333), (1412, 226723), (2471, 129556), (2644, 121079), (4627, 69188), (4942, 64778), (9254, 34594), (9884, 32389), (17297, 18508)]