197923840

素因数分解:

$2^{10}\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:128

約数の個数: 176

約数和(自身を含む): 518791680

約数和(自身を除く): 320867840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 31, 32, 40, 43, 58, 62, 64, 80, 86, 116, 124, 128, 145, 155, 160, 172, 215, 232, 248, 256, 290, 310, 320, 344, 430, 464, 496, 512, 580, 620, 640, 688, 860, 899, 928, 992, 1024, 1160, 1240, 1247, 1280, 1333, 1376, 1720, 1798, 1856, 1984, 2320, 2480, 2494, 2560, 2666, 2752, 3440, 3596, 3712, 3968, 4495, 4640, 4960, 4988, 5120, 5332, 5504, 6235, 6665, 6880, 7192, 7424, 7936, 8990, 9280, 9920, 9976, 10664, 11008, 12470, 13330, 13760, 14384, 14848, 15872, 17980, 18560, 19840, 19952, 21328, 22016, 24940, 26660, 27520, 28768, 29696, 31744, 35960, 37120, 38657, 39680, 39904, 42656, 44032, 49880, 53320, 55040, 57536, 71920, 74240, 77314, 79360, 79808, 85312, 99760, 106640, 110080, 115072, 143840, 148480, 154628, 158720, 159616, 170624, 193285, 199520, 213280, 220160, 230144, 287680, 309256, 319232, 341248, 386570, 399040, 426560, 460288, 575360, 618512, 638464, 682496, 773140, 798080, 853120, 920576, 1150720, 1237024, 1276928, 1364992, 1546280, 1596160, 1706240, 2301440, 2474048, 3092560, 3192320, 3412480, 4602880, 4948096, 6185120, 6384640, 6824960, 9896192, 12370240, 19792384, 24740480, 39584768, 49480960, 98961920, 197923840]

約数ペア:

[(1, 197923840), (2, 98961920), (4, 49480960), (5, 39584768), (8, 24740480), (10, 19792384), (16, 12370240), (20, 9896192), (29, 6824960), (31, 6384640), (32, 6185120), (40, 4948096), (43, 4602880), (58, 3412480), (62, 3192320), (64, 3092560), (80, 2474048), (86, 2301440), (116, 1706240), (124, 1596160), (128, 1546280), (145, 1364992), (155, 1276928), (160, 1237024), (172, 1150720), (215, 920576), (232, 853120), (248, 798080), (256, 773140), (290, 682496), (310, 638464), (320, 618512), (344, 575360), (430, 460288), (464, 426560), (496, 399040), (512, 386570), (580, 341248), (620, 319232), (640, 309256), (688, 287680), (860, 230144), (899, 220160), (928, 213280), (992, 199520), (1024, 193285), (1160, 170624), (1240, 159616), (1247, 158720), (1280, 154628), (1333, 148480), (1376, 143840), (1720, 115072), (1798, 110080), (1856, 106640), (1984, 99760), (2320, 85312), (2480, 79808), (2494, 79360), (2560, 77314), (2666, 74240), (2752, 71920), (3440, 57536), (3596, 55040), (3712, 53320), (3968, 49880), (4495, 44032), (4640, 42656), (4960, 39904), (4988, 39680), (5120, 38657), (5332, 37120), (5504, 35960), (6235, 31744), (6665, 29696), (6880, 28768), (7192, 27520), (7424, 26660), (7936, 24940), (8990, 22016), (9280, 21328), (9920, 19952), (9976, 19840), (10664, 18560), (11008, 17980), (12470, 15872), (13330, 14848), (13760, 14384)]