202557520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:221

約数の個数: 160

約数和(自身を含む): 540929664

約数和(自身を除く): 338372144

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 43, 44, 53, 55, 80, 86, 88, 101, 106, 110, 172, 176, 202, 212, 215, 220, 265, 344, 404, 424, 430, 440, 473, 505, 530, 583, 688, 808, 848, 860, 880, 946, 1010, 1060, 1111, 1166, 1616, 1720, 1892, 2020, 2120, 2222, 2279, 2332, 2365, 2915, 3440, 3784, 4040, 4240, 4343, 4444, 4558, 4664, 4730, 5353, 5555, 5830, 7568, 8080, 8686, 8888, 9116, 9328, 9460, 10706, 11110, 11395, 11660, 17372, 17776, 18232, 18920, 21412, 21715, 22220, 22790, 23320, 25069, 26765, 34744, 36464, 37840, 42824, 43430, 44440, 45580, 46640, 47773, 50138, 53530, 58883, 69488, 85648, 86860, 88880, 91160, 95546, 100276, 107060, 117766, 125345, 173720, 182320, 191092, 200552, 214120, 230179, 235532, 238865, 250690, 294415, 347440, 382184, 401104, 428240, 460358, 471064, 477730, 501380, 588830, 764368, 920716, 942128, 955460, 1002760, 1150895, 1177660, 1841432, 1910920, 2005520, 2301790, 2355320, 2531969, 3682864, 3821840, 4603580, 4710640, 5063938, 9207160, 10127876, 12659845, 18414320, 20255752, 25319690, 40511504, 50639380, 101278760, 202557520]

約数ペア:

[(1, 202557520), (2, 101278760), (4, 50639380), (5, 40511504), (8, 25319690), (10, 20255752), (11, 18414320), (16, 12659845), (20, 10127876), (22, 9207160), (40, 5063938), (43, 4710640), (44, 4603580), (53, 3821840), (55, 3682864), (80, 2531969), (86, 2355320), (88, 2301790), (101, 2005520), (106, 1910920), (110, 1841432), (172, 1177660), (176, 1150895), (202, 1002760), (212, 955460), (215, 942128), (220, 920716), (265, 764368), (344, 588830), (404, 501380), (424, 477730), (430, 471064), (440, 460358), (473, 428240), (505, 401104), (530, 382184), (583, 347440), (688, 294415), (808, 250690), (848, 238865), (860, 235532), (880, 230179), (946, 214120), (1010, 200552), (1060, 191092), (1111, 182320), (1166, 173720), (1616, 125345), (1720, 117766), (1892, 107060), (2020, 100276), (2120, 95546), (2222, 91160), (2279, 88880), (2332, 86860), (2365, 85648), (2915, 69488), (3440, 58883), (3784, 53530), (4040, 50138), (4240, 47773), (4343, 46640), (4444, 45580), (4558, 44440), (4664, 43430), (4730, 42824), (5353, 37840), (5555, 36464), (5830, 34744), (7568, 26765), (8080, 25069), (8686, 23320), (8888, 22790), (9116, 22220), (9328, 21715), (9460, 21412), (10706, 18920), (11110, 18232), (11395, 17776), (11660, 17372)]