206979570

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1129}}^1$

素因数の和:1249

約数の個数: 128

約数和(自身を含む): 637862400

約数和(自身を除く): 430882830

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 97, 105, 126, 135, 189, 194, 210, 270, 291, 315, 378, 485, 582, 630, 679, 873, 945, 970, 1129, 1358, 1455, 1746, 1890, 2037, 2258, 2619, 2910, 3387, 3395, 4074, 4365, 5238, 5645, 6111, 6774, 6790, 7903, 8730, 10161, 10185, 11290, 12222, 13095, 15806, 16935, 18333, 20322, 20370, 23709, 26190, 30483, 30555, 33870, 36666, 39515, 47418, 50805, 60966, 61110, 71127, 79030, 91665, 101610, 109513, 118545, 142254, 152415, 183330, 213381, 219026, 237090, 304830, 328539, 355635, 426762, 547565, 657078, 711270, 766591, 985617, 1066905, 1095130, 1533182, 1642695, 1971234, 2133810, 2299773, 2956851, 3285390, 3832955, 4599546, 4928085, 5913702, 6899319, 7665910, 9856170, 11498865, 13798638, 14784255, 20697957, 22997730, 29568510, 34496595, 41395914, 68993190, 103489785, 206979570]

約数ペア:

[(1, 206979570), (2, 103489785), (3, 68993190), (5, 41395914), (6, 34496595), (7, 29568510), (9, 22997730), (10, 20697957), (14, 14784255), (15, 13798638), (18, 11498865), (21, 9856170), (27, 7665910), (30, 6899319), (35, 5913702), (42, 4928085), (45, 4599546), (54, 3832955), (63, 3285390), (70, 2956851), (90, 2299773), (97, 2133810), (105, 1971234), (126, 1642695), (135, 1533182), (189, 1095130), (194, 1066905), (210, 985617), (270, 766591), (291, 711270), (315, 657078), (378, 547565), (485, 426762), (582, 355635), (630, 328539), (679, 304830), (873, 237090), (945, 219026), (970, 213381), (1129, 183330), (1358, 152415), (1455, 142254), (1746, 118545), (1890, 109513), (2037, 101610), (2258, 91665), (2619, 79030), (2910, 71127), (3387, 61110), (3395, 60966), (4074, 50805), (4365, 47418), (5238, 39515), (5645, 36666), (6111, 33870), (6774, 30555), (6790, 30483), (7903, 26190), (8730, 23709), (10161, 20370), (10185, 20322), (11290, 18333), (12222, 16935), (13095, 15806)]