208025870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{84221}}^1$

素因数の和:84260

約数の個数: 32

約数和(自身を含む): 424478880

約数和(自身を除く): 216453010

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 84221, 168442, 421105, 842210, 1094873, 1600199, 2189746, 3200398, 5474365, 8000995, 10948730, 16001990, 20802587, 41605174, 104012935, 208025870]

約数ペア:

[(1, 208025870), (2, 104012935), (5, 41605174), (10, 20802587), (13, 16001990), (19, 10948730), (26, 8000995), (38, 5474365), (65, 3200398), (95, 2189746), (130, 1600199), (190, 1094873), (247, 842210), (494, 421105), (1235, 168442), (2470, 84221)]