520058740

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{449}}^1\times {\mathrm{1997}}^1$

素因数の和:2484

約数の個数: 48

約数和(自身を含む): 1132866000

約数和(自身を除く): 612807260

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 449, 580, 898, 1796, 1997, 2245, 3994, 4490, 7988, 8980, 9985, 13021, 19970, 26042, 39940, 52084, 57913, 65105, 115826, 130210, 231652, 260420, 289565, 579130, 896653, 1158260, 1793306, 3586612, 4483265, 8966530, 17933060, 26002937, 52005874, 104011748, 130014685, 260029370, 520058740]

約数ペア:

[(1, 520058740), (2, 260029370), (4, 130014685), (5, 104011748), (10, 52005874), (20, 26002937), (29, 17933060), (58, 8966530), (116, 4483265), (145, 3586612), (290, 1793306), (449, 1158260), (580, 896653), (898, 579130), (1796, 289565), (1997, 260420), (2245, 231652), (3994, 130210), (4490, 115826), (7988, 65105), (8980, 57913), (9985, 52084), (13021, 39940), (19970, 26042)]