211988960

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{18661}}^1$

素因数の和:18747

約数の個数: 48

約数和(自身を含む): 507904992

約数和(自身を除く): 295916032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 568, 710, 1136, 1420, 2272, 2840, 5680, 11360, 18661, 37322, 74644, 93305, 149288, 186610, 298576, 373220, 597152, 746440, 1324931, 1492880, 2649862, 2985760, 5299724, 6624655, 10599448, 13249310, 21198896, 26498620, 42397792, 52997240, 105994480, 211988960]

約数ペア:

[(1, 211988960), (2, 105994480), (4, 52997240), (5, 42397792), (8, 26498620), (10, 21198896), (16, 13249310), (20, 10599448), (32, 6624655), (40, 5299724), (71, 2985760), (80, 2649862), (142, 1492880), (160, 1324931), (284, 746440), (355, 597152), (568, 373220), (710, 298576), (1136, 186610), (1420, 149288), (2272, 93305), (2840, 74644), (5680, 37322), (11360, 18661)]