1986500

素因数分解:

$2^2\times 5^3\times {\mathrm{29}}^1\times {\mathrm{137}}^1$

素因数の和:185

約数の個数: 48

約数和(自身を含む): 4520880

約数和(自身を除く): 2534380

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 125, 137, 145, 250, 274, 290, 500, 548, 580, 685, 725, 1370, 1450, 2740, 2900, 3425, 3625, 3973, 6850, 7250, 7946, 13700, 14500, 15892, 17125, 19865, 34250, 39730, 68500, 79460, 99325, 198650, 397300, 496625, 993250, 1986500]

約数ペア:

[(1, 1986500), (2, 993250), (4, 496625), (5, 397300), (10, 198650), (20, 99325), (25, 79460), (29, 68500), (50, 39730), (58, 34250), (100, 19865), (116, 17125), (125, 15892), (137, 14500), (145, 13700), (250, 7946), (274, 7250), (290, 6850), (500, 3973), (548, 3625), (580, 3425), (685, 2900), (725, 2740), (1370, 1450)]