308875280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{23981}}^1$

素因数の和:24024

約数の個数: 80

約数和(自身を含む): 856445184

約数和(自身を除く): 547569904

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2576, 3220, 6440, 12880, 23981, 47962, 95924, 119905, 167867, 191848, 239810, 335734, 383696, 479620, 551563, 671468, 839335, 959240, 1103126, 1342936, 1678670, 1918480, 2206252, 2685872, 2757815, 3357340, 3860941, 4412504, 5515630, 6714680, 7721882, 8825008, 11031260, 13429360, 15443764, 19304705, 22062520, 30887528, 38609410, 44125040, 61775056, 77218820, 154437640, 308875280]

約数ペア:

[(1, 308875280), (2, 154437640), (4, 77218820), (5, 61775056), (7, 44125040), (8, 38609410), (10, 30887528), (14, 22062520), (16, 19304705), (20, 15443764), (23, 13429360), (28, 11031260), (35, 8825008), (40, 7721882), (46, 6714680), (56, 5515630), (70, 4412504), (80, 3860941), (92, 3357340), (112, 2757815), (115, 2685872), (140, 2206252), (161, 1918480), (184, 1678670), (230, 1342936), (280, 1103126), (322, 959240), (368, 839335), (460, 671468), (560, 551563), (644, 479620), (805, 383696), (920, 335734), (1288, 239810), (1610, 191848), (1840, 167867), (2576, 119905), (3220, 95924), (6440, 47962), (12880, 23981)]