2011890760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^2\times {\mathrm{431}}^1$

素因数の和:659

約数の個数: 96

約数和(自身を含む): 4998257280

約数和(自身を除く): 2986366520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 103, 110, 206, 220, 412, 431, 440, 515, 824, 862, 1030, 1133, 1724, 2060, 2155, 2266, 3448, 4120, 4310, 4532, 4741, 5665, 8620, 9064, 9482, 10609, 11330, 17240, 18964, 21218, 22660, 23705, 37928, 42436, 44393, 45320, 47410, 53045, 84872, 88786, 94820, 106090, 116699, 177572, 189640, 212180, 221965, 233398, 355144, 424360, 443930, 466796, 488323, 583495, 887860, 933592, 976646, 1166990, 1775720, 1953292, 2333980, 2441615, 3906584, 4572479, 4667960, 4883230, 9144958, 9766460, 18289916, 19532920, 22862395, 36579832, 45724790, 50297269, 91449580, 100594538, 182899160, 201189076, 251486345, 402378152, 502972690, 1005945380, 2011890760]

約数ペア:

[(1, 2011890760), (2, 1005945380), (4, 502972690), (5, 402378152), (8, 251486345), (10, 201189076), (11, 182899160), (20, 100594538), (22, 91449580), (40, 50297269), (44, 45724790), (55, 36579832), (88, 22862395), (103, 19532920), (110, 18289916), (206, 9766460), (220, 9144958), (412, 4883230), (431, 4667960), (440, 4572479), (515, 3906584), (824, 2441615), (862, 2333980), (1030, 1953292), (1133, 1775720), (1724, 1166990), (2060, 976646), (2155, 933592), (2266, 887860), (3448, 583495), (4120, 488323), (4310, 466796), (4532, 443930), (4741, 424360), (5665, 355144), (8620, 233398), (9064, 221965), (9482, 212180), (10609, 189640), (11330, 177572), (17240, 116699), (18964, 106090), (21218, 94820), (22660, 88786), (23705, 84872), (37928, 53045), (42436, 47410), (44393, 45320)]