389675750

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{82037}}^1$

素因数の和:82073

約数の個数: 32

約数和(自身を含む): 767875680

約数和(自身を除く): 378199930

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 125, 190, 250, 475, 950, 2375, 4750, 82037, 164074, 410185, 820370, 1558703, 2050925, 3117406, 4101850, 7793515, 10254625, 15587030, 20509250, 38967575, 77935150, 194837875, 389675750]

約数ペア:

[(1, 389675750), (2, 194837875), (5, 77935150), (10, 38967575), (19, 20509250), (25, 15587030), (38, 10254625), (50, 7793515), (95, 4101850), (125, 3117406), (190, 2050925), (250, 1558703), (475, 820370), (950, 410185), (2375, 164074), (4750, 82037)]