8900460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{251}}^1$

素因数の和:463

約数の個数: 72

約数和(自身を含む): 27243216

約数和(自身を除く): 18342756

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 197, 251, 394, 502, 591, 753, 788, 985, 1004, 1182, 1255, 1506, 1773, 1970, 2259, 2364, 2510, 2955, 3012, 3546, 3765, 3940, 4518, 5020, 5910, 7092, 7530, 8865, 9036, 11295, 11820, 15060, 17730, 22590, 35460, 45180, 49447, 98894, 148341, 197788, 247235, 296682, 445023, 494470, 593364, 741705, 890046, 988940, 1483410, 1780092, 2225115, 2966820, 4450230, 8900460]

約数ペア:

[(1, 8900460), (2, 4450230), (3, 2966820), (4, 2225115), (5, 1780092), (6, 1483410), (9, 988940), (10, 890046), (12, 741705), (15, 593364), (18, 494470), (20, 445023), (30, 296682), (36, 247235), (45, 197788), (60, 148341), (90, 98894), (180, 49447), (197, 45180), (251, 35460), (394, 22590), (502, 17730), (591, 15060), (753, 11820), (788, 11295), (985, 9036), (1004, 8865), (1182, 7530), (1255, 7092), (1506, 5910), (1773, 5020), (1970, 4518), (2259, 3940), (2364, 3765), (2510, 3546), (2955, 3012)]