28086900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{251}}^1\times {\mathrm{373}}^1$

素因数の和:641

約数の個数: 72

約数和(自身を含む): 81807264

約数和(自身を除く): 53720364

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 251, 300, 373, 502, 746, 753, 1004, 1119, 1255, 1492, 1506, 1865, 2238, 2510, 3012, 3730, 3765, 4476, 5020, 5595, 6275, 7460, 7530, 9325, 11190, 12550, 15060, 18650, 18825, 22380, 25100, 27975, 37300, 37650, 55950, 75300, 93623, 111900, 187246, 280869, 374492, 468115, 561738, 936230, 1123476, 1404345, 1872460, 2340575, 2808690, 4681150, 5617380, 7021725, 9362300, 14043450, 28086900]

約数ペア:

[(1, 28086900), (2, 14043450), (3, 9362300), (4, 7021725), (5, 5617380), (6, 4681150), (10, 2808690), (12, 2340575), (15, 1872460), (20, 1404345), (25, 1123476), (30, 936230), (50, 561738), (60, 468115), (75, 374492), (100, 280869), (150, 187246), (251, 111900), (300, 93623), (373, 75300), (502, 55950), (746, 37650), (753, 37300), (1004, 27975), (1119, 25100), (1255, 22380), (1492, 18825), (1506, 18650), (1865, 15060), (2238, 12550), (2510, 11190), (3012, 9325), (3730, 7530), (3765, 7460), (4476, 6275), (5020, 5595)]