389282260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1024427}}^1$

素因数の和:1024455

約数の個数: 24

約数和(自身を含む): 860519520

約数和(自身を除く): 471237260

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 1024427, 2048854, 4097708, 5122135, 10244270, 19464113, 20488540, 38928226, 77856452, 97320565, 194641130, 389282260]

約数ペア:

[(1, 389282260), (2, 194641130), (4, 97320565), (5, 77856452), (10, 38928226), (19, 20488540), (20, 19464113), (38, 10244270), (76, 5122135), (95, 4097708), (190, 2048854), (380, 1024427)]