2810508740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{293}}^1\times {\mathrm{467}}^1$

素因数の和:861

約数の個数: 96

約数和(自身を含む): 6472327680

約数和(自身を除く): 3661818940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 260, 293, 316, 395, 467, 586, 790, 934, 1027, 1172, 1465, 1580, 1868, 2054, 2335, 2930, 3809, 4108, 4670, 5135, 5860, 6071, 7618, 9340, 10270, 12142, 15236, 19045, 20540, 23147, 24284, 30355, 36893, 38090, 46294, 60710, 73786, 76180, 92588, 115735, 121420, 136831, 147572, 184465, 231470, 273662, 300911, 368930, 462940, 479609, 547324, 601822, 684155, 737860, 959218, 1203644, 1368310, 1504555, 1778803, 1918436, 2398045, 2736620, 3009110, 3557606, 4796090, 6018220, 7115212, 8894015, 9592180, 10809649, 17788030, 21619298, 35576060, 43238596, 54048245, 108096490, 140525437, 216192980, 281050874, 562101748, 702627185, 1405254370, 2810508740]

約数ペア:

[(1, 2810508740), (2, 1405254370), (4, 702627185), (5, 562101748), (10, 281050874), (13, 216192980), (20, 140525437), (26, 108096490), (52, 54048245), (65, 43238596), (79, 35576060), (130, 21619298), (158, 17788030), (260, 10809649), (293, 9592180), (316, 8894015), (395, 7115212), (467, 6018220), (586, 4796090), (790, 3557606), (934, 3009110), (1027, 2736620), (1172, 2398045), (1465, 1918436), (1580, 1778803), (1868, 1504555), (2054, 1368310), (2335, 1203644), (2930, 959218), (3809, 737860), (4108, 684155), (4670, 601822), (5135, 547324), (5860, 479609), (6071, 462940), (7618, 368930), (9340, 300911), (10270, 273662), (12142, 231470), (15236, 184465), (19045, 147572), (20540, 136831), (23147, 121420), (24284, 115735), (30355, 92588), (36893, 76180), (38090, 73786), (46294, 60710)]