156894860

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{56437}}^1$

素因数の和:56585

約数の個数: 24

約数和(自身を含む): 331855440

約数和(自身を除く): 174960580

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 56437, 112874, 225748, 282185, 564370, 1128740, 7844743, 15689486, 31378972, 39223715, 78447430, 156894860]

約数ペア:

[(1, 156894860), (2, 78447430), (4, 39223715), (5, 31378972), (10, 15689486), (20, 7844743), (139, 1128740), (278, 564370), (556, 282185), (695, 225748), (1390, 112874), (2780, 56437)]