278862775775

素因数分解:

$5^2\times {\mathrm{59}}^1\times {\mathrm{113}}^1\times {\mathrm{811}}^1\times {\mathrm{2063}}^1$

素因数の和:3056

約数の個数: 48

約数和(自身を含む): 355372254720

約数和(自身を除く): 76509478945

約数列:

[1, 5, 25, 59, 113, 295, 565, 811, 1475, 2063, 2825, 4055, 6667, 10315, 20275, 33335, 47849, 51575, 91643, 121717, 166675, 233119, 239245, 458215, 608585, 1165595, 1196225, 1673093, 2291075, 3042925, 5406937, 5827975, 8365465, 13754021, 27034685, 41827325, 68770105, 98712487, 135173425, 189059509, 343850525, 493562435, 945297545, 2467812175, 4726487725, 11154511031, 55772555155, 278862775775]

約数ペア:

[(1, 278862775775), (5, 55772555155), (25, 11154511031), (59, 4726487725), (113, 2467812175), (295, 945297545), (565, 493562435), (811, 343850525), (1475, 189059509), (2063, 135173425), (2825, 98712487), (4055, 68770105), (6667, 41827325), (10315, 27034685), (20275, 13754021), (33335, 8365465), (47849, 5827975), (51575, 5406937), (91643, 3042925), (121717, 2291075), (166675, 1673093), (233119, 1196225), (239245, 1165595), (458215, 608585)]