220189840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{1097}}^1$

素因数の和:1316

約数の個数: 80

約数和(自身を含む): 554683248

約数和(自身を除く): 334493408

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 193, 208, 260, 386, 520, 772, 965, 1040, 1097, 1544, 1930, 2194, 2509, 3088, 3860, 4388, 5018, 5485, 7720, 8776, 10036, 10970, 12545, 14261, 15440, 17552, 20072, 21940, 25090, 28522, 40144, 43880, 50180, 57044, 71305, 87760, 100360, 114088, 142610, 200720, 211721, 228176, 285220, 423442, 570440, 846884, 1058605, 1140880, 1693768, 2117210, 2752373, 3387536, 4234420, 5504746, 8468840, 11009492, 13761865, 16937680, 22018984, 27523730, 44037968, 55047460, 110094920, 220189840]

約数ペア:

[(1, 220189840), (2, 110094920), (4, 55047460), (5, 44037968), (8, 27523730), (10, 22018984), (13, 16937680), (16, 13761865), (20, 11009492), (26, 8468840), (40, 5504746), (52, 4234420), (65, 3387536), (80, 2752373), (104, 2117210), (130, 1693768), (193, 1140880), (208, 1058605), (260, 846884), (386, 570440), (520, 423442), (772, 285220), (965, 228176), (1040, 211721), (1097, 200720), (1544, 142610), (1930, 114088), (2194, 100360), (2509, 87760), (3088, 71305), (3860, 57044), (4388, 50180), (5018, 43880), (5485, 40144), (7720, 28522), (8776, 25090), (10036, 21940), (10970, 20072), (12545, 17552), (14261, 15440)]