278345140

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{135119}}^1$

素因数の和:135231

約数の個数: 24

約数和(自身を含む): 590204160

約数和(自身を除く): 311859020

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 135119, 270238, 540476, 675595, 1351190, 2702380, 13917257, 27834514, 55669028, 69586285, 139172570, 278345140]

約数ペア:

[(1, 278345140), (2, 139172570), (4, 69586285), (5, 55669028), (10, 27834514), (20, 13917257), (103, 2702380), (206, 1351190), (412, 675595), (515, 540476), (1030, 270238), (2060, 135119)]