899501440

素因数分解:

$2^7\times 5^1\times {\mathrm{211}}^1\times {\mathrm{6661}}^1$

素因数の和:6891

約数の個数: 64

約数和(自身を含む): 2160886320

約数和(自身を除く): 1261384880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 211, 320, 422, 640, 844, 1055, 1688, 2110, 3376, 4220, 6661, 6752, 8440, 13322, 13504, 16880, 26644, 27008, 33305, 33760, 53288, 66610, 67520, 106576, 133220, 135040, 213152, 266440, 426304, 532880, 852608, 1065760, 1405471, 2131520, 2810942, 4263040, 5621884, 7027355, 11243768, 14054710, 22487536, 28109420, 44975072, 56218840, 89950144, 112437680, 179900288, 224875360, 449750720, 899501440]

約数ペア:

[(1, 899501440), (2, 449750720), (4, 224875360), (5, 179900288), (8, 112437680), (10, 89950144), (16, 56218840), (20, 44975072), (32, 28109420), (40, 22487536), (64, 14054710), (80, 11243768), (128, 7027355), (160, 5621884), (211, 4263040), (320, 2810942), (422, 2131520), (640, 1405471), (844, 1065760), (1055, 852608), (1688, 532880), (2110, 426304), (3376, 266440), (4220, 213152), (6661, 135040), (6752, 133220), (8440, 106576), (13322, 67520), (13504, 66610), (16880, 53288), (26644, 33760), (27008, 33305)]