251215900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{193243}}^1$

素因数の和:193270

約数の個数: 36

約数和(自身を含む): 587075272

約数和(自身を除く): 335859372

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 193243, 386486, 772972, 966215, 1932430, 2512159, 3864860, 4831075, 5024318, 9662150, 10048636, 12560795, 19324300, 25121590, 50243180, 62803975, 125607950, 251215900]

約数ペア:

[(1, 251215900), (2, 125607950), (4, 62803975), (5, 50243180), (10, 25121590), (13, 19324300), (20, 12560795), (25, 10048636), (26, 9662150), (50, 5024318), (52, 4831075), (65, 3864860), (100, 2512159), (130, 1932430), (260, 966215), (325, 772972), (650, 386486), (1300, 193243)]