1991700

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{2213}}^1$

素因数の和:2233

約数の個数: 54

約数和(自身を含む): 6245694

約数和(自身を除く): 4253994

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900, 2213, 4426, 6639, 8852, 11065, 13278, 19917, 22130, 26556, 33195, 39834, 44260, 55325, 66390, 79668, 99585, 110650, 132780, 165975, 199170, 221300, 331950, 398340, 497925, 663900, 995850, 1991700]

約数ペア:

[(1, 1991700), (2, 995850), (3, 663900), (4, 497925), (5, 398340), (6, 331950), (9, 221300), (10, 199170), (12, 165975), (15, 132780), (18, 110650), (20, 99585), (25, 79668), (30, 66390), (36, 55325), (45, 44260), (50, 39834), (60, 33195), (75, 26556), (90, 22130), (100, 19917), (150, 13278), (180, 11065), (225, 8852), (300, 6639), (450, 4426), (900, 2213)]