331242040

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{193}}^1\times {\mathrm{401}}^1$

素因数の和:712

約数の個数: 64

約数和(自身を含む): 758043360

約数和(自身を除く): 426801320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 193, 214, 386, 401, 428, 535, 772, 802, 856, 965, 1070, 1544, 1604, 1930, 2005, 2140, 3208, 3860, 4010, 4280, 7720, 8020, 16040, 20651, 41302, 42907, 77393, 82604, 85814, 103255, 154786, 165208, 171628, 206510, 214535, 309572, 343256, 386965, 413020, 429070, 619144, 773930, 826040, 858140, 1547860, 1716280, 3095720, 8281051, 16562102, 33124204, 41405255, 66248408, 82810510, 165621020, 331242040]

約数ペア:

[(1, 331242040), (2, 165621020), (4, 82810510), (5, 66248408), (8, 41405255), (10, 33124204), (20, 16562102), (40, 8281051), (107, 3095720), (193, 1716280), (214, 1547860), (386, 858140), (401, 826040), (428, 773930), (535, 619144), (772, 429070), (802, 413020), (856, 386965), (965, 343256), (1070, 309572), (1544, 214535), (1604, 206510), (1930, 171628), (2005, 165208), (2140, 154786), (3208, 103255), (3860, 85814), (4010, 82604), (4280, 77393), (7720, 42907), (8020, 41302), (16040, 20651)]