256810175

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^2$

素因数の和:284

約数の個数: 36

約数和(自身を含む): 344944440

約数和(自身を除く): 88134265

約数列:

[1, 5, 19, 25, 53, 95, 101, 265, 475, 505, 1007, 1325, 1919, 2525, 5035, 5353, 9595, 10201, 25175, 26765, 47975, 51005, 101707, 133825, 193819, 255025, 508535, 540653, 969095, 2542675, 2703265, 4845475, 10272407, 13516325, 51362035, 256810175]

約数ペア:

[(1, 256810175), (5, 51362035), (19, 13516325), (25, 10272407), (53, 4845475), (95, 2703265), (101, 2542675), (265, 969095), (475, 540653), (505, 508535), (1007, 255025), (1325, 193819), (1919, 133825), (2525, 101707), (5035, 51005), (5353, 47975), (9595, 26765), (10201, 25175)]