248575480

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{6959}}^1$

素因数の和:7036

約数の個数: 64

約数和(自身を含む): 601344000

約数和(自身を除く): 352768520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 47, 76, 94, 95, 152, 188, 190, 235, 376, 380, 470, 760, 893, 940, 1786, 1880, 3572, 4465, 6959, 7144, 8930, 13918, 17860, 27836, 34795, 35720, 55672, 69590, 132221, 139180, 264442, 278360, 327073, 528884, 654146, 661105, 1057768, 1308292, 1322210, 1635365, 2616584, 2644420, 3270730, 5288840, 6214387, 6541460, 12428774, 13082920, 24857548, 31071935, 49715096, 62143870, 124287740, 248575480]

約数ペア:

[(1, 248575480), (2, 124287740), (4, 62143870), (5, 49715096), (8, 31071935), (10, 24857548), (19, 13082920), (20, 12428774), (38, 6541460), (40, 6214387), (47, 5288840), (76, 3270730), (94, 2644420), (95, 2616584), (152, 1635365), (188, 1322210), (190, 1308292), (235, 1057768), (376, 661105), (380, 654146), (470, 528884), (760, 327073), (893, 278360), (940, 264442), (1786, 139180), (1880, 132221), (3572, 69590), (4465, 55672), (6959, 35720), (7144, 34795), (8930, 27836), (13918, 17860)]