311284760

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^2\times {\mathrm{47}}^1\times {\mathrm{313}}^1$

素因数の和:417

約数の個数: 96

約数和(自身を含む): 750133440

約数和(自身を除く): 438848680

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 47, 92, 94, 115, 184, 188, 230, 235, 313, 376, 460, 470, 529, 626, 920, 940, 1058, 1081, 1252, 1565, 1880, 2116, 2162, 2504, 2645, 3130, 4232, 4324, 5290, 5405, 6260, 7199, 8648, 10580, 10810, 12520, 14398, 14711, 21160, 21620, 24863, 28796, 29422, 35995, 43240, 49726, 57592, 58844, 71990, 73555, 99452, 117688, 124315, 143980, 147110, 165577, 198904, 248630, 287960, 294220, 331154, 338353, 497260, 588440, 662308, 676706, 827885, 994520, 1324616, 1353412, 1655770, 1691765, 2706824, 3311540, 3383530, 6623080, 6767060, 7782119, 13534120, 15564238, 31128476, 38910595, 62256952, 77821190, 155642380, 311284760]

約数ペア:

[(1, 311284760), (2, 155642380), (4, 77821190), (5, 62256952), (8, 38910595), (10, 31128476), (20, 15564238), (23, 13534120), (40, 7782119), (46, 6767060), (47, 6623080), (92, 3383530), (94, 3311540), (115, 2706824), (184, 1691765), (188, 1655770), (230, 1353412), (235, 1324616), (313, 994520), (376, 827885), (460, 676706), (470, 662308), (529, 588440), (626, 497260), (920, 338353), (940, 331154), (1058, 294220), (1081, 287960), (1252, 248630), (1565, 198904), (1880, 165577), (2116, 147110), (2162, 143980), (2504, 124315), (2645, 117688), (3130, 99452), (4232, 73555), (4324, 71990), (5290, 58844), (5405, 57592), (6260, 49726), (7199, 43240), (8648, 35995), (10580, 29422), (10810, 28796), (12520, 24863), (14398, 21620), (14711, 21160)]