2148862760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1\times {\mathrm{641}}^1$

素因数の和:1083

約数の個数: 128

約数和(自身を含む): 5574614400

約数和(自身を除く): 3425751640

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 380, 401, 418, 440, 641, 760, 802, 836, 1045, 1282, 1604, 1672, 2005, 2090, 2564, 3205, 3208, 4010, 4180, 4411, 5128, 6410, 7051, 7619, 8020, 8360, 8822, 12179, 12820, 14102, 15238, 16040, 17644, 22055, 24358, 25640, 28204, 30476, 35255, 35288, 38095, 44110, 48716, 56408, 60895, 60952, 70510, 76190, 83809, 88220, 97432, 121790, 133969, 141020, 152380, 167618, 176440, 243580, 257041, 267938, 282040, 304760, 335236, 419045, 487160, 514082, 535876, 669845, 670472, 838090, 1028164, 1071752, 1285205, 1339690, 1676180, 2056328, 2570410, 2679380, 2827451, 3352360, 4883779, 5140820, 5358760, 5654902, 9767558, 10281640, 11309804, 14137255, 19535116, 22619608, 24418895, 28274510, 39070232, 48837790, 53721569, 56549020, 97675580, 107443138, 113098040, 195351160, 214886276, 268607845, 429772552, 537215690, 1074431380, 2148862760]

約数ペア:

[(1, 2148862760), (2, 1074431380), (4, 537215690), (5, 429772552), (8, 268607845), (10, 214886276), (11, 195351160), (19, 113098040), (20, 107443138), (22, 97675580), (38, 56549020), (40, 53721569), (44, 48837790), (55, 39070232), (76, 28274510), (88, 24418895), (95, 22619608), (110, 19535116), (152, 14137255), (190, 11309804), (209, 10281640), (220, 9767558), (380, 5654902), (401, 5358760), (418, 5140820), (440, 4883779), (641, 3352360), (760, 2827451), (802, 2679380), (836, 2570410), (1045, 2056328), (1282, 1676180), (1604, 1339690), (1672, 1285205), (2005, 1071752), (2090, 1028164), (2564, 838090), (3205, 670472), (3208, 669845), (4010, 535876), (4180, 514082), (4411, 487160), (5128, 419045), (6410, 335236), (7051, 304760), (7619, 282040), (8020, 267938), (8360, 257041), (8822, 243580), (12179, 176440), (12820, 167618), (14102, 152380), (15238, 141020), (16040, 133969), (17644, 121790), (22055, 97432), (24358, 88220), (25640, 83809), (28204, 76190), (30476, 70510), (35255, 60952), (35288, 60895), (38095, 56408), (44110, 48716)]