257302750

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^2\times {\mathrm{2851}}^1$

素因数の和:2906

約数の個数: 48

約数和(自身を含む): 508534416

約数和(自身を除く): 251231666

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 125, 190, 250, 361, 475, 722, 950, 1805, 2375, 2851, 3610, 4750, 5702, 9025, 14255, 18050, 28510, 45125, 54169, 71275, 90250, 108338, 142550, 270845, 356375, 541690, 712750, 1029211, 1354225, 2058422, 2708450, 5146055, 6771125, 10292110, 13542250, 25730275, 51460550, 128651375, 257302750]

約数ペア:

[(1, 257302750), (2, 128651375), (5, 51460550), (10, 25730275), (19, 13542250), (25, 10292110), (38, 6771125), (50, 5146055), (95, 2708450), (125, 2058422), (190, 1354225), (250, 1029211), (361, 712750), (475, 541690), (722, 356375), (950, 270845), (1805, 142550), (2375, 108338), (2851, 90250), (3610, 71275), (4750, 54169), (5702, 45125), (9025, 28510), (14255, 18050)]