189272240

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{55021}}^1$

素因数の和:55077

約数の個数: 40

約数和(自身を含む): 450300048

約数和(自身を除く): 261027808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 55021, 110042, 220084, 275105, 440168, 550210, 880336, 1100420, 2200840, 2365903, 4401680, 4731806, 9463612, 11829515, 18927224, 23659030, 37854448, 47318060, 94636120, 189272240]

約数ペア:

[(1, 189272240), (2, 94636120), (4, 47318060), (5, 37854448), (8, 23659030), (10, 18927224), (16, 11829515), (20, 9463612), (40, 4731806), (43, 4401680), (80, 2365903), (86, 2200840), (172, 1100420), (215, 880336), (344, 550210), (430, 440168), (688, 275105), (860, 220084), (1720, 110042), (3440, 55021)]