979964720

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{71}}^1\times {\mathrm{503}}^1$

素因数の和:608

約数の個数: 160

約数和(自身を含む): 2699827200

約数和(自身を除く): 1719862480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 71, 80, 98, 112, 140, 142, 196, 245, 280, 284, 343, 355, 392, 490, 497, 503, 560, 568, 686, 710, 784, 980, 994, 1006, 1136, 1372, 1420, 1715, 1960, 1988, 2012, 2485, 2515, 2744, 2840, 3430, 3479, 3521, 3920, 3976, 4024, 4970, 5030, 5488, 5680, 6860, 6958, 7042, 7952, 8048, 9940, 10060, 13720, 13916, 14084, 17395, 17605, 19880, 20120, 24353, 24647, 27440, 27832, 28168, 34790, 35210, 35713, 39760, 40240, 48706, 49294, 55664, 56336, 69580, 70420, 71426, 97412, 98588, 121765, 123235, 139160, 140840, 142852, 172529, 178565, 194824, 197176, 243530, 246470, 249991, 278320, 281680, 285704, 345058, 357130, 389648, 394352, 487060, 492940, 499982, 571408, 690116, 714260, 862645, 974120, 985880, 999964, 1249955, 1380232, 1428520, 1725290, 1749937, 1948240, 1971760, 1999928, 2499910, 2760464, 2857040, 3450580, 3499874, 3999856, 4999820, 6901160, 6999748, 8749685, 9999640, 12249559, 13802320, 13999496, 17499370, 19999280, 24499118, 27998992, 34998740, 48998236, 61247795, 69997480, 97996472, 122495590, 139994960, 195992944, 244991180, 489982360, 979964720]

約数ペア:

[(1, 979964720), (2, 489982360), (4, 244991180), (5, 195992944), (7, 139994960), (8, 122495590), (10, 97996472), (14, 69997480), (16, 61247795), (20, 48998236), (28, 34998740), (35, 27998992), (40, 24499118), (49, 19999280), (56, 17499370), (70, 13999496), (71, 13802320), (80, 12249559), (98, 9999640), (112, 8749685), (140, 6999748), (142, 6901160), (196, 4999820), (245, 3999856), (280, 3499874), (284, 3450580), (343, 2857040), (355, 2760464), (392, 2499910), (490, 1999928), (497, 1971760), (503, 1948240), (560, 1749937), (568, 1725290), (686, 1428520), (710, 1380232), (784, 1249955), (980, 999964), (994, 985880), (1006, 974120), (1136, 862645), (1372, 714260), (1420, 690116), (1715, 571408), (1960, 499982), (1988, 492940), (2012, 487060), (2485, 394352), (2515, 389648), (2744, 357130), (2840, 345058), (3430, 285704), (3479, 281680), (3521, 278320), (3920, 249991), (3976, 246470), (4024, 243530), (4970, 197176), (5030, 194824), (5488, 178565), (5680, 172529), (6860, 142852), (6958, 140840), (7042, 139160), (7952, 123235), (8048, 121765), (9940, 98588), (10060, 97412), (13720, 71426), (13916, 70420), (14084, 69580), (17395, 56336), (17605, 55664), (19880, 49294), (20120, 48706), (24353, 40240), (24647, 39760), (27440, 35713), (27832, 35210), (28168, 34790)]