138413440

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19661}}^1$

素因数の和:19691

約数の個数: 64

約数和(自身を含む): 360994320

約数和(自身を除く): 222580880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 320, 352, 440, 640, 704, 880, 1408, 1760, 3520, 7040, 19661, 39322, 78644, 98305, 157288, 196610, 216271, 314576, 393220, 432542, 629152, 786440, 865084, 1081355, 1258304, 1572880, 1730168, 2162710, 2516608, 3145760, 3460336, 4325420, 6291520, 6920672, 8650840, 12583040, 13841344, 17301680, 27682688, 34603360, 69206720, 138413440]

約数ペア:

[(1, 138413440), (2, 69206720), (4, 34603360), (5, 27682688), (8, 17301680), (10, 13841344), (11, 12583040), (16, 8650840), (20, 6920672), (22, 6291520), (32, 4325420), (40, 3460336), (44, 3145760), (55, 2516608), (64, 2162710), (80, 1730168), (88, 1572880), (110, 1258304), (128, 1081355), (160, 865084), (176, 786440), (220, 629152), (320, 432542), (352, 393220), (440, 314576), (640, 216271), (704, 196610), (880, 157288), (1408, 98305), (1760, 78644), (3520, 39322), (7040, 19661)]