28148500

素因数分解:

$2^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{2963}}^1$

素因数の和:3001

約数の個数: 48

約数和(自身を含む): 64733760

約数和(自身を除く): 36585260

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 125, 190, 250, 380, 475, 500, 950, 1900, 2375, 2963, 4750, 5926, 9500, 11852, 14815, 29630, 56297, 59260, 74075, 112594, 148150, 225188, 281485, 296300, 370375, 562970, 740750, 1125940, 1407425, 1481500, 2814850, 5629700, 7037125, 14074250, 28148500]

約数ペア:

[(1, 28148500), (2, 14074250), (4, 7037125), (5, 5629700), (10, 2814850), (19, 1481500), (20, 1407425), (25, 1125940), (38, 740750), (50, 562970), (76, 370375), (95, 296300), (100, 281485), (125, 225188), (190, 148150), (250, 112594), (380, 74075), (475, 59260), (500, 56297), (950, 29630), (1900, 14815), (2375, 11852), (2963, 9500), (4750, 5926)]