201390760

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{457}}^1\times {\mathrm{479}}^1$

素因数の和:970

約数の個数: 64

約数和(自身を含む): 474854400

約数和(自身を除く): 273463640

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 457, 460, 479, 914, 920, 958, 1828, 1916, 2285, 2395, 3656, 3832, 4570, 4790, 9140, 9580, 10511, 11017, 18280, 19160, 21022, 22034, 42044, 44068, 52555, 55085, 84088, 88136, 105110, 110170, 210220, 218903, 220340, 420440, 437806, 440680, 875612, 1094515, 1751224, 2189030, 4378060, 5034769, 8756120, 10069538, 20139076, 25173845, 40278152, 50347690, 100695380, 201390760]

約数ペア:

[(1, 201390760), (2, 100695380), (4, 50347690), (5, 40278152), (8, 25173845), (10, 20139076), (20, 10069538), (23, 8756120), (40, 5034769), (46, 4378060), (92, 2189030), (115, 1751224), (184, 1094515), (230, 875612), (457, 440680), (460, 437806), (479, 420440), (914, 220340), (920, 218903), (958, 210220), (1828, 110170), (1916, 105110), (2285, 88136), (2395, 84088), (3656, 55085), (3832, 52555), (4570, 44068), (4790, 42044), (9140, 22034), (9580, 21022), (10511, 19160), (11017, 18280)]