64697260

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{331}}^1\times {\mathrm{337}}^1$

素因数の和:706

約数の個数: 48

約数和(自身を含む): 141392160

約数和(自身を除く): 76694900

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 331, 337, 580, 662, 674, 1324, 1348, 1655, 1685, 3310, 3370, 6620, 6740, 9599, 9773, 19198, 19546, 38396, 39092, 47995, 48865, 95990, 97730, 111547, 191980, 195460, 223094, 446188, 557735, 1115470, 2230940, 3234863, 6469726, 12939452, 16174315, 32348630, 64697260]

約数ペア:

[(1, 64697260), (2, 32348630), (4, 16174315), (5, 12939452), (10, 6469726), (20, 3234863), (29, 2230940), (58, 1115470), (116, 557735), (145, 446188), (290, 223094), (331, 195460), (337, 191980), (580, 111547), (662, 97730), (674, 95990), (1324, 48865), (1348, 47995), (1655, 39092), (1685, 38396), (3310, 19546), (3370, 19198), (6620, 9773), (6740, 9599)]