196614920

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{114311}}^1$

素因数の和:114365

約数の個数: 32

約数和(自身を含む): 452675520

約数和(自身を除く): 256060600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 114311, 228622, 457244, 571555, 914488, 1143110, 2286220, 4572440, 4915373, 9830746, 19661492, 24576865, 39322984, 49153730, 98307460, 196614920]

約数ペア:

[(1, 196614920), (2, 98307460), (4, 49153730), (5, 39322984), (8, 24576865), (10, 19661492), (20, 9830746), (40, 4915373), (43, 4572440), (86, 2286220), (172, 1143110), (215, 914488), (344, 571555), (430, 457244), (860, 228622), (1720, 114311)]