128713900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{183877}}^1$

素因数の和:183898

約数の個数: 36

約数和(自身を含む): 319212208

約数和(自身を除く): 190498308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 183877, 367754, 735508, 919385, 1287139, 1838770, 2574278, 3677540, 4596925, 5148556, 6435695, 9193850, 12871390, 18387700, 25742780, 32178475, 64356950, 128713900]

約数ペア:

[(1, 128713900), (2, 64356950), (4, 32178475), (5, 25742780), (7, 18387700), (10, 12871390), (14, 9193850), (20, 6435695), (25, 5148556), (28, 4596925), (35, 3677540), (50, 2574278), (70, 1838770), (100, 1287139), (140, 919385), (175, 735508), (350, 367754), (700, 183877)]