389533250

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{82007}}^1$

素因数の和:82043

約数の個数: 32

約数和(自身を含む): 767594880

約数和(自身を除く): 378061630

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 125, 190, 250, 475, 950, 2375, 4750, 82007, 164014, 410035, 820070, 1558133, 2050175, 3116266, 4100350, 7790665, 10250875, 15581330, 20501750, 38953325, 77906650, 194766625, 389533250]

約数ペア:

[(1, 389533250), (2, 194766625), (5, 77906650), (10, 38953325), (19, 20501750), (25, 15581330), (38, 10250875), (50, 7790665), (95, 4100350), (125, 3116266), (190, 2050175), (250, 1558133), (475, 820070), (950, 410035), (2375, 164014), (4750, 82007)]