77177660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{551269}}^1$

素因数の和:551285

約数の個数: 24

約数和(自身を含む): 185226720

約数和(自身を除く): 108049060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 551269, 1102538, 2205076, 2756345, 3858883, 5512690, 7717766, 11025380, 15435532, 19294415, 38588830, 77177660]

約数ペア:

[(1, 77177660), (2, 38588830), (4, 19294415), (5, 15435532), (7, 11025380), (10, 7717766), (14, 5512690), (20, 3858883), (28, 2756345), (35, 2205076), (70, 1102538), (140, 551269)]