139027340

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{67489}}^1$

素因数の和:67601

約数の個数: 24

約数和(自身を含む): 294796320

約数和(自身を除く): 155768980

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 67489, 134978, 269956, 337445, 674890, 1349780, 6951367, 13902734, 27805468, 34756835, 69513670, 139027340]

約数ペア:

[(1, 139027340), (2, 69513670), (4, 34756835), (5, 27805468), (10, 13902734), (20, 6951367), (103, 1349780), (206, 674890), (412, 337445), (515, 269956), (1030, 134978), (2060, 67489)]