71349320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:223

約数の個数: 128

約数和(自身を含む): 193052160

約数和(自身を除く): 121702840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 71, 74, 97, 140, 142, 148, 185, 194, 259, 280, 284, 296, 355, 370, 388, 485, 497, 518, 568, 679, 710, 740, 776, 970, 994, 1036, 1295, 1358, 1420, 1480, 1940, 1988, 2072, 2485, 2590, 2627, 2716, 2840, 3395, 3589, 3880, 3976, 4970, 5180, 5254, 5432, 6790, 6887, 7178, 9940, 10360, 10508, 13135, 13580, 13774, 14356, 17945, 18389, 19880, 21016, 25123, 26270, 27160, 27548, 28712, 34435, 35890, 36778, 48209, 50246, 52540, 55096, 68870, 71780, 73556, 91945, 96418, 100492, 105080, 125615, 137740, 143560, 147112, 183890, 192836, 200984, 241045, 251230, 254819, 275480, 367780, 385672, 482090, 502460, 509638, 735560, 964180, 1004920, 1019276, 1274095, 1783733, 1928360, 2038552, 2548190, 3567466, 5096380, 7134932, 8918665, 10192760, 14269864, 17837330, 35674660, 71349320]

約数ペア:

[(1, 71349320), (2, 35674660), (4, 17837330), (5, 14269864), (7, 10192760), (8, 8918665), (10, 7134932), (14, 5096380), (20, 3567466), (28, 2548190), (35, 2038552), (37, 1928360), (40, 1783733), (56, 1274095), (70, 1019276), (71, 1004920), (74, 964180), (97, 735560), (140, 509638), (142, 502460), (148, 482090), (185, 385672), (194, 367780), (259, 275480), (280, 254819), (284, 251230), (296, 241045), (355, 200984), (370, 192836), (388, 183890), (485, 147112), (497, 143560), (518, 137740), (568, 125615), (679, 105080), (710, 100492), (740, 96418), (776, 91945), (970, 73556), (994, 71780), (1036, 68870), (1295, 55096), (1358, 52540), (1420, 50246), (1480, 48209), (1940, 36778), (1988, 35890), (2072, 34435), (2485, 28712), (2590, 27548), (2627, 27160), (2716, 26270), (2840, 25123), (3395, 21016), (3589, 19880), (3880, 18389), (3976, 17945), (4970, 14356), (5180, 13774), (5254, 13580), (5432, 13135), (6790, 10508), (6887, 10360), (7178, 9940)]