388655870

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{181}}^1\times {\mathrm{743}}^1$

素因数の和:965

約数の個数: 48

約数和(自身を含む): 748264608

約数和(自身を除く): 359608738

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 181, 289, 362, 578, 743, 905, 1445, 1486, 1810, 2890, 3077, 3715, 6154, 7430, 12631, 15385, 25262, 30770, 52309, 63155, 104618, 126310, 134483, 214727, 261545, 268966, 429454, 523090, 672415, 1073635, 1344830, 2147270, 2286211, 4572422, 11431055, 22862110, 38865587, 77731174, 194327935, 388655870]

約数ペア:

[(1, 388655870), (2, 194327935), (5, 77731174), (10, 38865587), (17, 22862110), (34, 11431055), (85, 4572422), (170, 2286211), (181, 2147270), (289, 1344830), (362, 1073635), (578, 672415), (743, 523090), (905, 429454), (1445, 268966), (1486, 261545), (1810, 214727), (2890, 134483), (3077, 126310), (3715, 104618), (6154, 63155), (7430, 52309), (12631, 30770), (15385, 25262)]