129701900

素因数分解:

$2^2\times 5^2\times {\mathrm{1297019}}^1$

素因数の和:1297033

約数の個数: 18

約数和(自身を含む): 281453340

約数和(自身を除く): 151751440

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 1297019, 2594038, 5188076, 6485095, 12970190, 25940380, 32425475, 64850950, 129701900]

約数ペア:

[(1, 129701900), (2, 64850950), (4, 32425475), (5, 25940380), (10, 12970190), (20, 6485095), (25, 5188076), (50, 2594038), (100, 1297019)]