168302590

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{121081}}^1$

素因数の和:121227

約数の個数: 16

約数和(自身を含む): 305126640

約数和(自身を除く): 136824050

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 121081, 242162, 605405, 1210810, 16830259, 33660518, 84151295, 168302590]

約数ペア:

[(1, 168302590), (2, 84151295), (5, 33660518), (10, 16830259), (139, 1210810), (278, 605405), (695, 242162), (1390, 121081)]