209222720

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:209

約数の個数: 224

約数和(自身を含む): 617988096

約数和(自身を除く): 408765376

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 31, 32, 35, 40, 46, 56, 62, 64, 70, 80, 92, 112, 115, 124, 131, 140, 155, 160, 161, 184, 217, 224, 230, 248, 262, 280, 310, 320, 322, 368, 434, 448, 460, 496, 524, 560, 620, 644, 655, 713, 736, 805, 868, 917, 920, 992, 1048, 1085, 1120, 1240, 1288, 1310, 1426, 1472, 1610, 1736, 1834, 1840, 1984, 2096, 2170, 2240, 2480, 2576, 2620, 2852, 3013, 3220, 3472, 3565, 3668, 3680, 4061, 4192, 4340, 4585, 4960, 4991, 5152, 5240, 5704, 6026, 6440, 6944, 7130, 7336, 7360, 8122, 8384, 8680, 9170, 9920, 9982, 10304, 10480, 11408, 12052, 12880, 13888, 14260, 14672, 15065, 16244, 17360, 18340, 19964, 20305, 20960, 21091, 22816, 24104, 24955, 25760, 28427, 28520, 29344, 30130, 32488, 34720, 36680, 39928, 40610, 41920, 42182, 45632, 48208, 49910, 51520, 56854, 57040, 58688, 60260, 64976, 69440, 73360, 79856, 81220, 84364, 93403, 96416, 99820, 105455, 113708, 114080, 120520, 129952, 142135, 146720, 159712, 162440, 168728, 186806, 192832, 199640, 210910, 227416, 228160, 241040, 259904, 284270, 293440, 319424, 324880, 337456, 373612, 399280, 421820, 454832, 467015, 482080, 568540, 649760, 653821, 674912, 747224, 798560, 843640, 909664, 934030, 964160, 1137080, 1299520, 1307642, 1349824, 1494448, 1597120, 1687280, 1819328, 1868060, 2274160, 2615284, 2988896, 3269105, 3374560, 3736120, 4548320, 5230568, 5977792, 6538210, 6749120, 7472240, 9096640, 10461136, 13076420, 14944480, 20922272, 26152840, 29888960, 41844544, 52305680, 104611360, 209222720]

約数ペア:

[(1, 209222720), (2, 104611360), (4, 52305680), (5, 41844544), (7, 29888960), (8, 26152840), (10, 20922272), (14, 14944480), (16, 13076420), (20, 10461136), (23, 9096640), (28, 7472240), (31, 6749120), (32, 6538210), (35, 5977792), (40, 5230568), (46, 4548320), (56, 3736120), (62, 3374560), (64, 3269105), (70, 2988896), (80, 2615284), (92, 2274160), (112, 1868060), (115, 1819328), (124, 1687280), (131, 1597120), (140, 1494448), (155, 1349824), (160, 1307642), (161, 1299520), (184, 1137080), (217, 964160), (224, 934030), (230, 909664), (248, 843640), (262, 798560), (280, 747224), (310, 674912), (320, 653821), (322, 649760), (368, 568540), (434, 482080), (448, 467015), (460, 454832), (496, 421820), (524, 399280), (560, 373612), (620, 337456), (644, 324880), (655, 319424), (713, 293440), (736, 284270), (805, 259904), (868, 241040), (917, 228160), (920, 227416), (992, 210910), (1048, 199640), (1085, 192832), (1120, 186806), (1240, 168728), (1288, 162440), (1310, 159712), (1426, 146720), (1472, 142135), (1610, 129952), (1736, 120520), (1834, 114080), (1840, 113708), (1984, 105455), (2096, 99820), (2170, 96416), (2240, 93403), (2480, 84364), (2576, 81220), (2620, 79856), (2852, 73360), (3013, 69440), (3220, 64976), (3472, 60260), (3565, 58688), (3668, 57040), (3680, 56854), (4061, 51520), (4192, 49910), (4340, 48208), (4585, 45632), (4960, 42182), (4991, 41920), (5152, 40610), (5240, 39928), (5704, 36680), (6026, 34720), (6440, 32488), (6944, 30130), (7130, 29344), (7336, 28520), (7360, 28427), (8122, 25760), (8384, 24955), (8680, 24104), (9170, 22816), (9920, 21091), (9982, 20960), (10304, 20305), (10480, 19964), (11408, 18340), (12052, 17360), (12880, 16244), (13888, 15065), (14260, 14672)]