209007840

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{67}}^2\times {\mathrm{97}}^1$

素因数の和:249

約数の個数: 144

約数和(自身を含む): 675238032

約数和(自身を除く): 466230192

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 67, 80, 96, 97, 120, 134, 160, 194, 201, 240, 268, 291, 335, 388, 402, 480, 485, 536, 582, 670, 776, 804, 970, 1005, 1072, 1164, 1340, 1455, 1552, 1608, 1940, 2010, 2144, 2328, 2680, 2910, 3104, 3216, 3880, 4020, 4489, 4656, 5360, 5820, 6432, 6499, 7760, 8040, 8978, 9312, 10720, 11640, 12998, 13467, 15520, 16080, 17956, 19497, 22445, 23280, 25996, 26934, 32160, 32495, 35912, 38994, 44890, 46560, 51992, 53868, 64990, 67335, 71824, 77988, 89780, 97485, 103984, 107736, 129980, 134670, 143648, 155976, 179560, 194970, 207968, 215472, 259960, 269340, 311952, 359120, 389940, 430944, 435433, 519920, 538680, 623904, 718240, 779880, 870866, 1039840, 1077360, 1306299, 1559760, 1741732, 2154720, 2177165, 2612598, 3119520, 3483464, 4354330, 5225196, 6531495, 6966928, 8708660, 10450392, 13062990, 13933856, 17417320, 20900784, 26125980, 34834640, 41801568, 52251960, 69669280, 104503920, 209007840]

約数ペア:

[(1, 209007840), (2, 104503920), (3, 69669280), (4, 52251960), (5, 41801568), (6, 34834640), (8, 26125980), (10, 20900784), (12, 17417320), (15, 13933856), (16, 13062990), (20, 10450392), (24, 8708660), (30, 6966928), (32, 6531495), (40, 5225196), (48, 4354330), (60, 3483464), (67, 3119520), (80, 2612598), (96, 2177165), (97, 2154720), (120, 1741732), (134, 1559760), (160, 1306299), (194, 1077360), (201, 1039840), (240, 870866), (268, 779880), (291, 718240), (335, 623904), (388, 538680), (402, 519920), (480, 435433), (485, 430944), (536, 389940), (582, 359120), (670, 311952), (776, 269340), (804, 259960), (970, 215472), (1005, 207968), (1072, 194970), (1164, 179560), (1340, 155976), (1455, 143648), (1552, 134670), (1608, 129980), (1940, 107736), (2010, 103984), (2144, 97485), (2328, 89780), (2680, 77988), (2910, 71824), (3104, 67335), (3216, 64990), (3880, 53868), (4020, 51992), (4489, 46560), (4656, 44890), (5360, 38994), (5820, 35912), (6432, 32495), (6499, 32160), (7760, 26934), (8040, 25996), (8978, 23280), (9312, 22445), (10720, 19497), (11640, 17956), (12998, 16080), (13467, 15520)]