390825250

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{82279}}^1$

素因数の和:82315

約数の個数: 32

約数和(自身を含む): 770140800

約数和(自身を除く): 379315550

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 125, 190, 250, 475, 950, 2375, 4750, 82279, 164558, 411395, 822790, 1563301, 2056975, 3126602, 4113950, 7816505, 10284875, 15633010, 20569750, 39082525, 78165050, 195412625, 390825250]

約数ペア:

[(1, 390825250), (2, 195412625), (5, 78165050), (10, 39082525), (19, 20569750), (25, 15633010), (38, 10284875), (50, 7816505), (95, 4113950), (125, 3126602), (190, 2056975), (250, 1563301), (475, 822790), (950, 411395), (2375, 164558), (4750, 82279)]