347908240

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{228887}}^1$

素因数の和:228919

約数の個数: 40

約数和(自身を含む): 851463360

約数和(自身を除く): 503555120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 228887, 457774, 915548, 1144435, 1831096, 2288870, 3662192, 4348853, 4577740, 8697706, 9155480, 17395412, 18310960, 21744265, 34790824, 43488530, 69581648, 86977060, 173954120, 347908240]

約数ペア:

[(1, 347908240), (2, 173954120), (4, 86977060), (5, 69581648), (8, 43488530), (10, 34790824), (16, 21744265), (19, 18310960), (20, 17395412), (38, 9155480), (40, 8697706), (76, 4577740), (80, 4348853), (95, 3662192), (152, 2288870), (190, 1831096), (304, 1144435), (380, 915548), (760, 457774), (1520, 228887)]