2489761.00000000

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1$

素因数の和:147

約数の個数: 120

約数和(自身を含む): 125858016

約数和(自身を除く): 77368496

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 38, 40, 46, 73, 76, 80, 92, 95, 115, 146, 152, 184, 190, 230, 292, 304, 361, 365, 368, 380, 437, 460, 584, 722, 730, 760, 874, 920, 1168, 1387, 1444, 1460, 1520, 1679, 1748, 1805, 1840, 2185, 2774, 2888, 2920, 3358, 3496, 3610, 4370, 5548, 5776, 5840, 6716, 6935, 6992, 7220, 8303, 8395, 8740, 11096, 13432, 13870, 14440, 16606, 16790, 17480, 22192, 26353, 26864, 27740, 28880, 31901, 33212, 33580, 34960, 41515, 52706, 55480, 63802, 66424, 67160, 83030, 105412, 110960, 127604, 131765, 132848, 134320, 159505, 166060, 210824, 255208, 263530, 319010, 332120, 421648, 510416, 527060, 606119, 638020, 664240, 1054120, 1212238, 1276040, 2108240, 2424476, 2552080, 3030595, 4848952, 6061190, 9697904, 12122380, 24244760, 48489520]

約数ペア:

[(1, 48489520), (2, 24244760), (4, 12122380), (5, 9697904), (8, 6061190), (10, 4848952), (16, 3030595), (19, 2552080), (20, 2424476), (23, 2108240), (38, 1276040), (40, 1212238), (46, 1054120), (73, 664240), (76, 638020), (80, 606119), (92, 527060), (95, 510416), (115, 421648), (146, 332120), (152, 319010), (184, 263530), (190, 255208), (230, 210824), (292, 166060), (304, 159505), (361, 134320), (365, 132848), (368, 131765), (380, 127604), (437, 110960), (460, 105412), (584, 83030), (722, 67160), (730, 66424), (760, 63802), (874, 55480), (920, 52706), (1168, 41515), (1387, 34960), (1444, 33580), (1460, 33212), (1520, 31901), (1679, 28880), (1748, 27740), (1805, 26864), (1840, 26353), (2185, 22192), (2774, 17480), (2888, 16790), (2920, 16606), (3358, 14440), (3496, 13870), (3610, 13432), (4370, 11096), (5548, 8740), (5776, 8395), (5840, 8303), (6716, 7220), (6935, 6992)]