68215540

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{337}}^1\times {\mathrm{349}}^1$

素因数の和:724

約数の個数: 48

約数和(自身を含む): 149058000

約数和(自身を除く): 80842460

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 337, 349, 580, 674, 698, 1348, 1396, 1685, 1745, 3370, 3490, 6740, 6980, 9773, 10121, 19546, 20242, 39092, 40484, 48865, 50605, 97730, 101210, 117613, 195460, 202420, 235226, 470452, 588065, 1176130, 2352260, 3410777, 6821554, 13643108, 17053885, 34107770, 68215540]

約数ペア:

[(1, 68215540), (2, 34107770), (4, 17053885), (5, 13643108), (10, 6821554), (20, 3410777), (29, 2352260), (58, 1176130), (116, 588065), (145, 470452), (290, 235226), (337, 202420), (349, 195460), (580, 117613), (674, 101210), (698, 97730), (1348, 50605), (1396, 48865), (1685, 40484), (1745, 39092), (3370, 20242), (3490, 19546), (6740, 10121), (6980, 9773)]