128928024820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{7738777}}^1$

素因数の和:7738817

約数の個数: 72

約数和(自身を含む): 333479421576

約数和(自身を除く): 204551396756

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 68, 70, 85, 98, 119, 140, 170, 196, 238, 245, 340, 476, 490, 595, 833, 980, 1190, 1666, 2380, 3332, 4165, 8330, 16660, 7738777, 15477554, 30955108, 38693885, 54171439, 77387770, 108342878, 131559209, 154775540, 216685756, 263118418, 270857195, 379200073, 526236836, 541714390, 657796045, 758400146, 920914463, 1083428780, 1315592090, 1516800292, 1841828926, 1896000365, 2631184180, 3683657852, 3792000730, 4604572315, 6446401241, 7584001460, 9209144630, 12892802482, 18418289260, 25785604964, 32232006205, 64464012410, 128928024820]

約数ペア:

[(1, 128928024820), (2, 64464012410), (4, 32232006205), (5, 25785604964), (7, 18418289260), (10, 12892802482), (14, 9209144630), (17, 7584001460), (20, 6446401241), (28, 4604572315), (34, 3792000730), (35, 3683657852), (49, 2631184180), (68, 1896000365), (70, 1841828926), (85, 1516800292), (98, 1315592090), (119, 1083428780), (140, 920914463), (170, 758400146), (196, 657796045), (238, 541714390), (245, 526236836), (340, 379200073), (476, 270857195), (490, 263118418), (595, 216685756), (833, 154775540), (980, 131559209), (1190, 108342878), (1666, 77387770), (2380, 54171439), (3332, 38693885), (4165, 30955108), (8330, 15477554), (16660, 7738777)]