7906640

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{2017}}^1$

素因数の和:2044

約数の個数: 60

約数和(自身を含む): 21394836

約数和(自身を除く): 13488196

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 2017, 3920, 4034, 8068, 10085, 14119, 16136, 20170, 28238, 32272, 40340, 56476, 70595, 80680, 98833, 112952, 141190, 161360, 197666, 225904, 282380, 395332, 494165, 564760, 790664, 988330, 1129520, 1581328, 1976660, 3953320, 7906640]

約数ペア:

[(1, 7906640), (2, 3953320), (4, 1976660), (5, 1581328), (7, 1129520), (8, 988330), (10, 790664), (14, 564760), (16, 494165), (20, 395332), (28, 282380), (35, 225904), (40, 197666), (49, 161360), (56, 141190), (70, 112952), (80, 98833), (98, 80680), (112, 70595), (140, 56476), (196, 40340), (245, 32272), (280, 28238), (392, 20170), (490, 16136), (560, 14119), (784, 10085), (980, 8068), (1960, 4034), (2017, 3920)]