199114240

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1$

素因数の和:260

約数の個数: 160

約数和(自身を含む): 533465856

約数和(自身を除く): 334351616

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 193, 208, 248, 256, 260, 310, 320, 386, 403, 416, 496, 512, 520, 620, 640, 772, 806, 832, 965, 992, 1040, 1240, 1280, 1544, 1612, 1664, 1930, 1984, 2015, 2080, 2480, 2509, 2560, 3088, 3224, 3328, 3860, 3968, 4030, 4160, 4960, 5018, 5983, 6176, 6448, 6656, 7720, 7936, 8060, 8320, 9920, 10036, 11966, 12352, 12545, 12896, 15440, 15872, 16120, 16640, 19840, 20072, 23932, 24704, 25090, 25792, 29915, 30880, 32240, 33280, 39680, 40144, 47864, 49408, 50180, 51584, 59830, 61760, 64480, 77779, 79360, 80288, 95728, 98816, 100360, 103168, 119660, 123520, 128960, 155558, 160576, 191456, 200720, 206336, 239320, 247040, 257920, 311116, 321152, 382912, 388895, 401440, 478640, 494080, 515840, 622232, 642304, 765824, 777790, 802880, 957280, 1031680, 1244464, 1284608, 1531648, 1555580, 1605760, 1914560, 2488928, 3063296, 3111160, 3211520, 3829120, 4977856, 6222320, 6423040, 7658240, 9955712, 12444640, 15316480, 19911424, 24889280, 39822848, 49778560, 99557120, 199114240]

約数ペア:

[(1, 199114240), (2, 99557120), (4, 49778560), (5, 39822848), (8, 24889280), (10, 19911424), (13, 15316480), (16, 12444640), (20, 9955712), (26, 7658240), (31, 6423040), (32, 6222320), (40, 4977856), (52, 3829120), (62, 3211520), (64, 3111160), (65, 3063296), (80, 2488928), (104, 1914560), (124, 1605760), (128, 1555580), (130, 1531648), (155, 1284608), (160, 1244464), (193, 1031680), (208, 957280), (248, 802880), (256, 777790), (260, 765824), (310, 642304), (320, 622232), (386, 515840), (403, 494080), (416, 478640), (496, 401440), (512, 388895), (520, 382912), (620, 321152), (640, 311116), (772, 257920), (806, 247040), (832, 239320), (965, 206336), (992, 200720), (1040, 191456), (1240, 160576), (1280, 155558), (1544, 128960), (1612, 123520), (1664, 119660), (1930, 103168), (1984, 100360), (2015, 98816), (2080, 95728), (2480, 80288), (2509, 79360), (2560, 77779), (3088, 64480), (3224, 61760), (3328, 59830), (3860, 51584), (3968, 50180), (4030, 49408), (4160, 47864), (4960, 40144), (5018, 39680), (5983, 33280), (6176, 32240), (6448, 30880), (6656, 29915), (7720, 25792), (7936, 25090), (8060, 24704), (8320, 23932), (9920, 20072), (10036, 19840), (11966, 16640), (12352, 16120), (12545, 15872), (12896, 15440)]