719039720

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{5167}}^1$

素因数の和:5263

約数の個数: 96

約数和(自身を含む): 1908852480

約数和(自身を除く): 1189812760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 71, 98, 140, 142, 196, 245, 280, 284, 355, 392, 490, 497, 568, 710, 980, 994, 1420, 1960, 1988, 2485, 2840, 3479, 3976, 4970, 5167, 6958, 9940, 10334, 13916, 17395, 19880, 20668, 25835, 27832, 34790, 36169, 41336, 51670, 69580, 72338, 103340, 139160, 144676, 180845, 206680, 253183, 289352, 361690, 366857, 506366, 723380, 733714, 1012732, 1265915, 1446760, 1467428, 1834285, 2025464, 2531830, 2567999, 2934856, 3668570, 5063660, 5135998, 7337140, 10127320, 10271996, 12839995, 14674280, 17975993, 20543992, 25679990, 35951986, 51359980, 71903972, 89879965, 102719960, 143807944, 179759930, 359519860, 719039720]

約数ペア:

[(1, 719039720), (2, 359519860), (4, 179759930), (5, 143807944), (7, 102719960), (8, 89879965), (10, 71903972), (14, 51359980), (20, 35951986), (28, 25679990), (35, 20543992), (40, 17975993), (49, 14674280), (56, 12839995), (70, 10271996), (71, 10127320), (98, 7337140), (140, 5135998), (142, 5063660), (196, 3668570), (245, 2934856), (280, 2567999), (284, 2531830), (355, 2025464), (392, 1834285), (490, 1467428), (497, 1446760), (568, 1265915), (710, 1012732), (980, 733714), (994, 723380), (1420, 506366), (1960, 366857), (1988, 361690), (2485, 289352), (2840, 253183), (3479, 206680), (3976, 180845), (4970, 144676), (5167, 139160), (6958, 103340), (9940, 72338), (10334, 69580), (13916, 51670), (17395, 41336), (19880, 36169), (20668, 34790), (25835, 27832)]