139406900

素因数分解:

$2^2\times 5^2\times {\mathrm{67}}^1\times {\mathrm{20807}}^1$

素因数の和:20888

約数の個数: 36

約数和(自身を含む): 307042848

約数和(自身を除く): 167635948

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 67, 100, 134, 268, 335, 670, 1340, 1675, 3350, 6700, 20807, 41614, 83228, 104035, 208070, 416140, 520175, 1040350, 1394069, 2080700, 2788138, 5576276, 6970345, 13940690, 27881380, 34851725, 69703450, 139406900]

約数ペア:

[(1, 139406900), (2, 69703450), (4, 34851725), (5, 27881380), (10, 13940690), (20, 6970345), (25, 5576276), (50, 2788138), (67, 2080700), (100, 1394069), (134, 1040350), (268, 520175), (335, 416140), (670, 208070), (1340, 104035), (1675, 83228), (3350, 41614), (6700, 20807)]