169619980

素因数分解:

$2^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{43943}}^1$

素因数の和:44145

約数の個数: 24

約数和(自身を含む): 358055712

約数和(自身を除く): 188435732

約数列:

[1, 2, 4, 5, 10, 20, 193, 386, 772, 965, 1930, 3860, 43943, 87886, 175772, 219715, 439430, 878860, 8480999, 16961998, 33923996, 42404995, 84809990, 169619980]

約数ペア:

[(1, 169619980), (2, 84809990), (4, 42404995), (5, 33923996), (10, 16961998), (20, 8480999), (193, 878860), (386, 439430), (772, 219715), (965, 175772), (1930, 87886), (3860, 43943)]