201499720

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1\times {\mathrm{607}}^1$

素因数の和:854

約数の個数: 64

約数和(自身を含む): 467089920

約数和(自身を除く): 265590200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 193, 215, 344, 386, 430, 607, 772, 860, 965, 1214, 1544, 1720, 1930, 2428, 3035, 3860, 4856, 6070, 7720, 8299, 12140, 16598, 24280, 26101, 33196, 41495, 52202, 66392, 82990, 104404, 117151, 130505, 165980, 208808, 234302, 261010, 331960, 468604, 522020, 585755, 937208, 1044040, 1171510, 2343020, 4686040, 5037493, 10074986, 20149972, 25187465, 40299944, 50374930, 100749860, 201499720]

約数ペア:

[(1, 201499720), (2, 100749860), (4, 50374930), (5, 40299944), (8, 25187465), (10, 20149972), (20, 10074986), (40, 5037493), (43, 4686040), (86, 2343020), (172, 1171510), (193, 1044040), (215, 937208), (344, 585755), (386, 522020), (430, 468604), (607, 331960), (772, 261010), (860, 234302), (965, 208808), (1214, 165980), (1544, 130505), (1720, 117151), (1930, 104404), (2428, 82990), (3035, 66392), (3860, 52202), (4856, 41495), (6070, 33196), (7720, 26101), (8299, 24280), (12140, 16598)]