155685004

素因数分解:

$2^2\times {\mathrm{139}}^1\times {\mathrm{280009}}^1$

素因数の和:280152

約数の個数: 12

約数和(自身を含む): 274409800

約数和(自身を除く): 118724796

約数列:

[1, 2, 4, 139, 278, 556, 280009, 560018, 1120036, 38921251, 77842502, 155685004]

約数ペア:

[(1, 155685004), (2, 77842502), (4, 38921251), (139, 1120036), (278, 560018), (556, 280009)]