210925840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{719}}^1$

素因数の和:944

約数の個数: 80

約数和(自身を含む): 519609600

約数和(自身を除く): 308683760

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 193, 304, 380, 386, 719, 760, 772, 965, 1438, 1520, 1544, 1930, 2876, 3088, 3595, 3667, 3860, 5752, 7190, 7334, 7720, 11504, 13661, 14380, 14668, 15440, 18335, 27322, 28760, 29336, 36670, 54644, 57520, 58672, 68305, 73340, 109288, 136610, 138767, 146680, 218576, 273220, 277534, 293360, 546440, 555068, 693835, 1092880, 1110136, 1387670, 2220272, 2636573, 2775340, 5273146, 5550680, 10546292, 11101360, 13182865, 21092584, 26365730, 42185168, 52731460, 105462920, 210925840]

約数ペア:

[(1, 210925840), (2, 105462920), (4, 52731460), (5, 42185168), (8, 26365730), (10, 21092584), (16, 13182865), (19, 11101360), (20, 10546292), (38, 5550680), (40, 5273146), (76, 2775340), (80, 2636573), (95, 2220272), (152, 1387670), (190, 1110136), (193, 1092880), (304, 693835), (380, 555068), (386, 546440), (719, 293360), (760, 277534), (772, 273220), (965, 218576), (1438, 146680), (1520, 138767), (1544, 136610), (1930, 109288), (2876, 73340), (3088, 68305), (3595, 58672), (3667, 57520), (3860, 54644), (5752, 36670), (7190, 29336), (7334, 28760), (7720, 27322), (11504, 18335), (13661, 15440), (14380, 14668)]