211365880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{193}}^1$

素因数の和:365

約数の個数: 128

約数和(自身を含む): 553132800

約数和(自身を除く): 341766920

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 131, 152, 190, 193, 209, 220, 262, 380, 386, 418, 440, 524, 655, 760, 772, 836, 965, 1045, 1048, 1310, 1441, 1544, 1672, 1930, 2090, 2123, 2489, 2620, 2882, 3667, 3860, 4180, 4246, 4978, 5240, 5764, 7205, 7334, 7720, 8360, 8492, 9956, 10615, 11528, 12445, 14410, 14668, 16984, 18335, 19912, 21230, 24890, 25283, 27379, 28820, 29336, 36670, 40337, 42460, 49780, 50566, 54758, 57640, 73340, 80674, 84920, 99560, 101132, 109516, 126415, 136895, 146680, 161348, 201685, 202264, 219032, 252830, 273790, 278113, 322696, 403370, 480377, 505660, 547580, 556226, 806740, 960754, 1011320, 1095160, 1112452, 1390565, 1613480, 1921508, 2224904, 2401885, 2781130, 3843016, 4803770, 5284147, 5562260, 9607540, 10568294, 11124520, 19215080, 21136588, 26420735, 42273176, 52841470, 105682940, 211365880]

約数ペア:

[(1, 211365880), (2, 105682940), (4, 52841470), (5, 42273176), (8, 26420735), (10, 21136588), (11, 19215080), (19, 11124520), (20, 10568294), (22, 9607540), (38, 5562260), (40, 5284147), (44, 4803770), (55, 3843016), (76, 2781130), (88, 2401885), (95, 2224904), (110, 1921508), (131, 1613480), (152, 1390565), (190, 1112452), (193, 1095160), (209, 1011320), (220, 960754), (262, 806740), (380, 556226), (386, 547580), (418, 505660), (440, 480377), (524, 403370), (655, 322696), (760, 278113), (772, 273790), (836, 252830), (965, 219032), (1045, 202264), (1048, 201685), (1310, 161348), (1441, 146680), (1544, 136895), (1672, 126415), (1930, 109516), (2090, 101132), (2123, 99560), (2489, 84920), (2620, 80674), (2882, 73340), (3667, 57640), (3860, 54758), (4180, 50566), (4246, 49780), (4978, 42460), (5240, 40337), (5764, 36670), (7205, 29336), (7334, 28820), (7720, 27379), (8360, 25283), (8492, 24890), (9956, 21230), (10615, 19912), (11528, 18335), (12445, 16984), (14410, 14668)]