208449920

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{17}}^2\times {\mathrm{23}}^1$

素因数の和:90

約数の個数: 288

約数和(自身を含む): 642563280

約数和(自身を除く): 434113360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 23, 28, 32, 34, 35, 40, 46, 49, 56, 64, 68, 70, 80, 85, 92, 98, 112, 115, 119, 128, 136, 140, 160, 161, 170, 184, 196, 224, 230, 238, 245, 272, 280, 289, 320, 322, 340, 368, 391, 392, 448, 460, 476, 490, 544, 560, 578, 595, 640, 644, 680, 736, 782, 784, 805, 833, 896, 920, 952, 980, 1088, 1120, 1127, 1156, 1190, 1288, 1360, 1445, 1472, 1564, 1568, 1610, 1666, 1840, 1904, 1955, 1960, 2023, 2176, 2240, 2254, 2312, 2380, 2576, 2720, 2737, 2890, 2944, 3128, 3136, 3220, 3332, 3680, 3808, 3910, 3920, 4046, 4165, 4480, 4508, 4624, 4760, 5152, 5440, 5474, 5635, 5780, 6256, 6272, 6440, 6647, 6664, 7360, 7616, 7820, 7840, 8092, 8330, 9016, 9248, 9520, 10115, 10304, 10880, 10948, 11270, 11560, 12512, 12880, 13294, 13328, 13685, 14161, 14720, 15232, 15640, 15680, 16184, 16660, 18032, 18496, 19040, 19159, 20230, 20608, 21896, 22540, 23120, 25024, 25760, 26588, 26656, 27370, 28322, 31280, 31360, 32368, 33235, 33320, 36064, 36992, 38080, 38318, 40460, 43792, 45080, 46240, 46529, 50048, 51520, 53176, 53312, 54740, 56644, 62560, 64736, 66470, 66640, 70805, 72128, 76160, 76636, 80920, 87584, 90160, 92480, 93058, 95795, 103040, 106352, 106624, 109480, 113288, 125120, 129472, 132940, 133280, 141610, 144256, 153272, 161840, 175168, 180320, 184960, 186116, 191590, 212704, 218960, 226576, 232645, 250240, 258944, 265880, 266560, 283220, 306544, 323680, 325703, 350336, 360640, 372232, 383180, 425408, 437920, 453152, 465290, 531760, 533120, 566440, 613088, 647360, 651406, 721280, 744464, 766360, 850816, 875840, 906304, 930580, 1063520, 1132880, 1226176, 1294720, 1302812, 1488928, 1532720, 1628515, 1751680, 1812608, 1861160, 2127040, 2265760, 2452352, 2605624, 2977856, 3065440, 3257030, 3722320, 4254080, 4531520, 5211248, 5955712, 6130880, 6514060, 7444640, 9063040, 10422496, 12261760, 13028120, 14889280, 20844992, 26056240, 29778560, 41689984, 52112480, 104224960, 208449920]

約数ペア:

[(1, 208449920), (2, 104224960), (4, 52112480), (5, 41689984), (7, 29778560), (8, 26056240), (10, 20844992), (14, 14889280), (16, 13028120), (17, 12261760), (20, 10422496), (23, 9063040), (28, 7444640), (32, 6514060), (34, 6130880), (35, 5955712), (40, 5211248), (46, 4531520), (49, 4254080), (56, 3722320), (64, 3257030), (68, 3065440), (70, 2977856), (80, 2605624), (85, 2452352), (92, 2265760), (98, 2127040), (112, 1861160), (115, 1812608), (119, 1751680), (128, 1628515), (136, 1532720), (140, 1488928), (160, 1302812), (161, 1294720), (170, 1226176), (184, 1132880), (196, 1063520), (224, 930580), (230, 906304), (238, 875840), (245, 850816), (272, 766360), (280, 744464), (289, 721280), (320, 651406), (322, 647360), (340, 613088), (368, 566440), (391, 533120), (392, 531760), (448, 465290), (460, 453152), (476, 437920), (490, 425408), (544, 383180), (560, 372232), (578, 360640), (595, 350336), (640, 325703), (644, 323680), (680, 306544), (736, 283220), (782, 266560), (784, 265880), (805, 258944), (833, 250240), (896, 232645), (920, 226576), (952, 218960), (980, 212704), (1088, 191590), (1120, 186116), (1127, 184960), (1156, 180320), (1190, 175168), (1288, 161840), (1360, 153272), (1445, 144256), (1472, 141610), (1564, 133280), (1568, 132940), (1610, 129472), (1666, 125120), (1840, 113288), (1904, 109480), (1955, 106624), (1960, 106352), (2023, 103040), (2176, 95795), (2240, 93058), (2254, 92480), (2312, 90160), (2380, 87584), (2576, 80920), (2720, 76636), (2737, 76160), (2890, 72128), (2944, 70805), (3128, 66640), (3136, 66470), (3220, 64736), (3332, 62560), (3680, 56644), (3808, 54740), (3910, 53312), (3920, 53176), (4046, 51520), (4165, 50048), (4480, 46529), (4508, 46240), (4624, 45080), (4760, 43792), (5152, 40460), (5440, 38318), (5474, 38080), (5635, 36992), (5780, 36064), (6256, 33320), (6272, 33235), (6440, 32368), (6647, 31360), (6664, 31280), (7360, 28322), (7616, 27370), (7820, 26656), (7840, 26588), (8092, 25760), (8330, 25024), (9016, 23120), (9248, 22540), (9520, 21896), (10115, 20608), (10304, 20230), (10880, 19159), (10948, 19040), (11270, 18496), (11560, 18032), (12512, 16660), (12880, 16184), (13294, 15680), (13328, 15640), (13685, 15232), (14161, 14720)]