551175940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1901}}^1$

素因数の和:2045

約数の個数: 96

約数和(自身を含む): 1405958400

約数和(自身を除く): 854782460

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 109, 133, 140, 190, 218, 266, 380, 436, 532, 545, 665, 763, 1090, 1330, 1526, 1901, 2071, 2180, 2660, 3052, 3802, 3815, 4142, 7604, 7630, 8284, 9505, 10355, 13307, 14497, 15260, 19010, 20710, 26614, 28994, 36119, 38020, 41420, 53228, 57988, 66535, 72238, 72485, 133070, 144476, 144970, 180595, 207209, 252833, 266140, 289940, 361190, 414418, 505666, 722380, 828836, 1011332, 1036045, 1264165, 1450463, 2072090, 2528330, 2900926, 3936971, 4144180, 5056660, 5801852, 7252315, 7873942, 14504630, 15747884, 19684855, 27558797, 29009260, 39369710, 55117594, 78739420, 110235188, 137793985, 275587970, 551175940]

約数ペア:

[(1, 551175940), (2, 275587970), (4, 137793985), (5, 110235188), (7, 78739420), (10, 55117594), (14, 39369710), (19, 29009260), (20, 27558797), (28, 19684855), (35, 15747884), (38, 14504630), (70, 7873942), (76, 7252315), (95, 5801852), (109, 5056660), (133, 4144180), (140, 3936971), (190, 2900926), (218, 2528330), (266, 2072090), (380, 1450463), (436, 1264165), (532, 1036045), (545, 1011332), (665, 828836), (763, 722380), (1090, 505666), (1330, 414418), (1526, 361190), (1901, 289940), (2071, 266140), (2180, 252833), (2660, 207209), (3052, 180595), (3802, 144970), (3815, 144476), (4142, 133070), (7604, 72485), (7630, 72238), (8284, 66535), (9505, 57988), (10355, 53228), (13307, 41420), (14497, 38020), (15260, 36119), (19010, 28994), (20710, 26614)]