1949270840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{269}}^1\times {\mathrm{383}}^1$

素因数の和:717

約数の個数: 128

約数和(自身を含む): 4926873600

約数和(自身を除く): 2977602760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 172, 215, 220, 269, 344, 383, 430, 440, 473, 538, 766, 860, 946, 1076, 1345, 1532, 1720, 1892, 1915, 2152, 2365, 2690, 2959, 3064, 3784, 3830, 4213, 4730, 5380, 5918, 7660, 8426, 9460, 10760, 11567, 11836, 14795, 15320, 16469, 16852, 18920, 21065, 23134, 23672, 29590, 32938, 33704, 42130, 46268, 57835, 59180, 65876, 82345, 84260, 92536, 103027, 115670, 118360, 127237, 131752, 164690, 168520, 181159, 206054, 231340, 254474, 329380, 362318, 412108, 462680, 508948, 515135, 636185, 658760, 724636, 824216, 905795, 1017896, 1030270, 1133297, 1272370, 1449272, 1811590, 2060540, 2266594, 2544740, 3623180, 4121080, 4430161, 4533188, 5089480, 5666485, 7246360, 8860322, 9066376, 11332970, 17720644, 22150805, 22665940, 35441288, 44301610, 45331880, 48731771, 88603220, 97463542, 177206440, 194927084, 243658855, 389854168, 487317710, 974635420, 1949270840]

約数ペア:

[(1, 1949270840), (2, 974635420), (4, 487317710), (5, 389854168), (8, 243658855), (10, 194927084), (11, 177206440), (20, 97463542), (22, 88603220), (40, 48731771), (43, 45331880), (44, 44301610), (55, 35441288), (86, 22665940), (88, 22150805), (110, 17720644), (172, 11332970), (215, 9066376), (220, 8860322), (269, 7246360), (344, 5666485), (383, 5089480), (430, 4533188), (440, 4430161), (473, 4121080), (538, 3623180), (766, 2544740), (860, 2266594), (946, 2060540), (1076, 1811590), (1345, 1449272), (1532, 1272370), (1720, 1133297), (1892, 1030270), (1915, 1017896), (2152, 905795), (2365, 824216), (2690, 724636), (2959, 658760), (3064, 636185), (3784, 515135), (3830, 508948), (4213, 462680), (4730, 412108), (5380, 362318), (5918, 329380), (7660, 254474), (8426, 231340), (9460, 206054), (10760, 181159), (11567, 168520), (11836, 164690), (14795, 131752), (15320, 127237), (16469, 118360), (16852, 115670), (18920, 103027), (21065, 92536), (23134, 84260), (23672, 82345), (29590, 65876), (32938, 59180), (33704, 57835), (42130, 46268)]