309878984

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{173}}^1$

素因数の和:390

約数の個数: 64

約数和(自身を含む): 617379840

約数和(自身を除く): 307500856

約数列:

[1, 2, 4, 8, 41, 43, 82, 86, 127, 164, 172, 173, 254, 328, 344, 346, 508, 692, 1016, 1384, 1763, 3526, 5207, 5461, 7052, 7093, 7439, 10414, 10922, 14104, 14186, 14878, 20828, 21844, 21971, 28372, 29756, 41656, 43688, 43942, 56744, 59512, 87884, 175768, 223901, 304999, 447802, 609998, 895604, 900811, 944753, 1219996, 1791208, 1801622, 1889506, 2439992, 3603244, 3779012, 7206488, 7558024, 38734873, 77469746, 154939492, 309878984]

約数ペア:

[(1, 309878984), (2, 154939492), (4, 77469746), (8, 38734873), (41, 7558024), (43, 7206488), (82, 3779012), (86, 3603244), (127, 2439992), (164, 1889506), (172, 1801622), (173, 1791208), (254, 1219996), (328, 944753), (344, 900811), (346, 895604), (508, 609998), (692, 447802), (1016, 304999), (1384, 223901), (1763, 175768), (3526, 87884), (5207, 59512), (5461, 56744), (7052, 43942), (7093, 43688), (7439, 41656), (10414, 29756), (10922, 28372), (14104, 21971), (14186, 21844), (14878, 20828)]