256489744

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{5857}}^1$

素因数の和:5912

約数の個数: 80

約数和(自身を含む): 627602688

約数和(自身を除く): 371112944

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 23, 28, 34, 46, 56, 68, 92, 112, 119, 136, 161, 184, 238, 272, 322, 368, 391, 476, 644, 782, 952, 1288, 1564, 1904, 2576, 2737, 3128, 5474, 5857, 6256, 10948, 11714, 21896, 23428, 40999, 43792, 46856, 81998, 93712, 99569, 134711, 163996, 199138, 269422, 327992, 398276, 538844, 655984, 696983, 796552, 942977, 1077688, 1393966, 1593104, 1885954, 2155376, 2290087, 2787932, 3771908, 4580174, 5575864, 7543816, 9160348, 11151728, 15087632, 16030609, 18320696, 32061218, 36641392, 64122436, 128244872, 256489744]

約数ペア:

[(1, 256489744), (2, 128244872), (4, 64122436), (7, 36641392), (8, 32061218), (14, 18320696), (16, 16030609), (17, 15087632), (23, 11151728), (28, 9160348), (34, 7543816), (46, 5575864), (56, 4580174), (68, 3771908), (92, 2787932), (112, 2290087), (119, 2155376), (136, 1885954), (161, 1593104), (184, 1393966), (238, 1077688), (272, 942977), (322, 796552), (368, 696983), (391, 655984), (476, 538844), (644, 398276), (782, 327992), (952, 269422), (1288, 199138), (1564, 163996), (1904, 134711), (2576, 99569), (2737, 93712), (3128, 81998), (5474, 46856), (5857, 43792), (6256, 40999), (10948, 23428), (11714, 21896)]