199631480

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{1361}}^1$

素因数の和:1584

約数の個数: 64

約数和(自身を含む): 475610400

約数和(自身を除く): 275978920

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 193, 380, 386, 760, 772, 965, 1361, 1544, 1930, 2722, 3667, 3860, 5444, 6805, 7334, 7720, 10888, 13610, 14668, 18335, 25859, 27220, 29336, 36670, 51718, 54440, 73340, 103436, 129295, 146680, 206872, 258590, 262673, 517180, 525346, 1034360, 1050692, 1313365, 2101384, 2626730, 4990787, 5253460, 9981574, 10506920, 19963148, 24953935, 39926296, 49907870, 99815740, 199631480]

約数ペア:

[(1, 199631480), (2, 99815740), (4, 49907870), (5, 39926296), (8, 24953935), (10, 19963148), (19, 10506920), (20, 9981574), (38, 5253460), (40, 4990787), (76, 2626730), (95, 2101384), (152, 1313365), (190, 1050692), (193, 1034360), (380, 525346), (386, 517180), (760, 262673), (772, 258590), (965, 206872), (1361, 146680), (1544, 129295), (1930, 103436), (2722, 73340), (3667, 54440), (3860, 51718), (5444, 36670), (6805, 29336), (7334, 27220), (7720, 25859), (10888, 18335), (13610, 14668)]