169287860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1209199}}^1$

素因数の和:1209215

約数の個数: 24

約数和(自身を含む): 406291200

約数和(自身を除く): 237003340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1209199, 2418398, 4836796, 6045995, 8464393, 12091990, 16928786, 24183980, 33857572, 42321965, 84643930, 169287860]

約数ペア:

[(1, 169287860), (2, 84643930), (4, 42321965), (5, 33857572), (7, 24183980), (10, 16928786), (14, 12091990), (20, 8464393), (28, 6045995), (35, 4836796), (70, 2418398), (140, 1209199)]