89815140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{498973}}^1$

素因数の和:498988

約数の個数: 36

約数和(自身を含む): 272439804

約数和(自身を除く): 182624664

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 498973, 997946, 1496919, 1995892, 2494865, 2993838, 4490757, 4989730, 5987676, 7484595, 8981514, 9979460, 14969190, 17963028, 22453785, 29938380, 44907570, 89815140]

約数ペア:

[(1, 89815140), (2, 44907570), (3, 29938380), (4, 22453785), (5, 17963028), (6, 14969190), (9, 9979460), (10, 8981514), (12, 7484595), (15, 5987676), (18, 4989730), (20, 4490757), (30, 2993838), (36, 2494865), (45, 1995892), (60, 1496919), (90, 997946), (180, 498973)]