209261360

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1$

素因数の和:272

約数の個数: 240

約数和(自身を含む): 647315712

約数和(自身を除く): 438054352

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 23, 28, 35, 40, 44, 46, 49, 55, 56, 70, 77, 80, 88, 92, 98, 110, 112, 115, 140, 154, 161, 176, 184, 196, 211, 220, 230, 245, 253, 280, 308, 322, 368, 385, 392, 422, 440, 460, 490, 506, 539, 560, 616, 644, 770, 784, 805, 844, 880, 920, 980, 1012, 1055, 1078, 1127, 1232, 1265, 1288, 1477, 1540, 1610, 1688, 1771, 1840, 1960, 2024, 2110, 2156, 2254, 2321, 2530, 2576, 2695, 2954, 3080, 3220, 3376, 3542, 3920, 4048, 4220, 4312, 4508, 4642, 4853, 5060, 5390, 5635, 5908, 6160, 6440, 7084, 7385, 8440, 8624, 8855, 9016, 9284, 9706, 10120, 10339, 10780, 11270, 11605, 11816, 12397, 12880, 14168, 14770, 16247, 16880, 17710, 18032, 18568, 19412, 20240, 20678, 21560, 22540, 23210, 23632, 24265, 24794, 28336, 29540, 32494, 33971, 35420, 37136, 38824, 41356, 43120, 45080, 46420, 48530, 49588, 51695, 53383, 59080, 61985, 64988, 67942, 70840, 77648, 81235, 82712, 90160, 92840, 97060, 99176, 103390, 106766, 113729, 118160, 123970, 129976, 135884, 141680, 162470, 165424, 169855, 185680, 194120, 198352, 206780, 213532, 227458, 237797, 247940, 259952, 266915, 271768, 324940, 339710, 373681, 388240, 413560, 427064, 454916, 475594, 495880, 533830, 543536, 568645, 649880, 679420, 747362, 827120, 854128, 909832, 951188, 991760, 1067660, 1137290, 1188985, 1299760, 1358840, 1494724, 1819664, 1868405, 1902376, 2135320, 2274580, 2377970, 2615767, 2717680, 2989448, 3736810, 3804752, 4270640, 4549160, 4755940, 5231534, 5978896, 7473620, 9098320, 9511880, 10463068, 13078835, 14947240, 19023760, 20926136, 26157670, 29894480, 41852272, 52315340, 104630680, 209261360]

約数ペア:

[(1, 209261360), (2, 104630680), (4, 52315340), (5, 41852272), (7, 29894480), (8, 26157670), (10, 20926136), (11, 19023760), (14, 14947240), (16, 13078835), (20, 10463068), (22, 9511880), (23, 9098320), (28, 7473620), (35, 5978896), (40, 5231534), (44, 4755940), (46, 4549160), (49, 4270640), (55, 3804752), (56, 3736810), (70, 2989448), (77, 2717680), (80, 2615767), (88, 2377970), (92, 2274580), (98, 2135320), (110, 1902376), (112, 1868405), (115, 1819664), (140, 1494724), (154, 1358840), (161, 1299760), (176, 1188985), (184, 1137290), (196, 1067660), (211, 991760), (220, 951188), (230, 909832), (245, 854128), (253, 827120), (280, 747362), (308, 679420), (322, 649880), (368, 568645), (385, 543536), (392, 533830), (422, 495880), (440, 475594), (460, 454916), (490, 427064), (506, 413560), (539, 388240), (560, 373681), (616, 339710), (644, 324940), (770, 271768), (784, 266915), (805, 259952), (844, 247940), (880, 237797), (920, 227458), (980, 213532), (1012, 206780), (1055, 198352), (1078, 194120), (1127, 185680), (1232, 169855), (1265, 165424), (1288, 162470), (1477, 141680), (1540, 135884), (1610, 129976), (1688, 123970), (1771, 118160), (1840, 113729), (1960, 106766), (2024, 103390), (2110, 99176), (2156, 97060), (2254, 92840), (2321, 90160), (2530, 82712), (2576, 81235), (2695, 77648), (2954, 70840), (3080, 67942), (3220, 64988), (3376, 61985), (3542, 59080), (3920, 53383), (4048, 51695), (4220, 49588), (4312, 48530), (4508, 46420), (4642, 45080), (4853, 43120), (5060, 41356), (5390, 38824), (5635, 37136), (5908, 35420), (6160, 33971), (6440, 32494), (7084, 29540), (7385, 28336), (8440, 24794), (8624, 24265), (8855, 23632), (9016, 23210), (9284, 22540), (9706, 21560), (10120, 20678), (10339, 20240), (10780, 19412), (11270, 18568), (11605, 18032), (11816, 17710), (12397, 16880), (12880, 16247), (14168, 14770)]