520017890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{1061261}}^1$

素因数の和:1061282

約数の個数: 24

約数和(自身を含む): 1088854812

約数和(自身を除く): 568836922

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 1061261, 2122522, 5306305, 7428827, 10612610, 14857654, 37144135, 52001789, 74288270, 104003578, 260008945, 520017890]

約数ペア:

[(1, 520017890), (2, 260008945), (5, 104003578), (7, 74288270), (10, 52001789), (14, 37144135), (35, 14857654), (49, 10612610), (70, 7428827), (98, 5306305), (245, 2122522), (490, 1061261)]