240346288

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{383}}^1\times {\mathrm{431}}^1$

素因数の和:842

約数の個数: 80

約数和(自身を含む): 575963136

約数和(自身を除く): 335616848

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 383, 431, 728, 766, 862, 1456, 1532, 1724, 2681, 3017, 3064, 3448, 4979, 5362, 5603, 6034, 6128, 6896, 9958, 10724, 11206, 12068, 19916, 21448, 22412, 24136, 34853, 39221, 39832, 42896, 44824, 48272, 69706, 78442, 79664, 89648, 139412, 156884, 165073, 278824, 313768, 330146, 557648, 627536, 660292, 1155511, 1320584, 2145949, 2311022, 2641168, 4291898, 4622044, 8583796, 9244088, 15021643, 17167592, 18488176, 30043286, 34335184, 60086572, 120173144, 240346288]

約数ペア:

[(1, 240346288), (2, 120173144), (4, 60086572), (7, 34335184), (8, 30043286), (13, 18488176), (14, 17167592), (16, 15021643), (26, 9244088), (28, 8583796), (52, 4622044), (56, 4291898), (91, 2641168), (104, 2311022), (112, 2145949), (182, 1320584), (208, 1155511), (364, 660292), (383, 627536), (431, 557648), (728, 330146), (766, 313768), (862, 278824), (1456, 165073), (1532, 156884), (1724, 139412), (2681, 89648), (3017, 79664), (3064, 78442), (3448, 69706), (4979, 48272), (5362, 44824), (5603, 42896), (6034, 39832), (6128, 39221), (6896, 34853), (9958, 24136), (10724, 22412), (11206, 21448), (12068, 19916)]