209311360

素因数分解:

$2^7\times 5^1\times {\mathrm{359}}^1\times {\mathrm{911}}^1$

素因数の和:1289

約数の個数: 64

約数和(自身を含む): 502329600

約数和(自身を除く): 293018240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 359, 640, 718, 911, 1436, 1795, 1822, 2872, 3590, 3644, 4555, 5744, 7180, 7288, 9110, 11488, 14360, 14576, 18220, 22976, 28720, 29152, 36440, 45952, 57440, 58304, 72880, 114880, 116608, 145760, 229760, 291520, 327049, 583040, 654098, 1308196, 1635245, 2616392, 3270490, 5232784, 6540980, 10465568, 13081960, 20931136, 26163920, 41862272, 52327840, 104655680, 209311360]

約数ペア:

[(1, 209311360), (2, 104655680), (4, 52327840), (5, 41862272), (8, 26163920), (10, 20931136), (16, 13081960), (20, 10465568), (32, 6540980), (40, 5232784), (64, 3270490), (80, 2616392), (128, 1635245), (160, 1308196), (320, 654098), (359, 583040), (640, 327049), (718, 291520), (911, 229760), (1436, 145760), (1795, 116608), (1822, 114880), (2872, 72880), (3590, 58304), (3644, 57440), (4555, 45952), (5744, 36440), (7180, 29152), (7288, 28720), (9110, 22976), (11488, 18220), (14360, 14576)]