161865650

素因数分解:

$2^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{68879}}^1$

素因数の和:68938

約数の個数: 24

約数和(自身を含む): 307480320

約数和(自身を除く): 145614670

約数列:

[1, 2, 5, 10, 25, 47, 50, 94, 235, 470, 1175, 2350, 68879, 137758, 344395, 688790, 1721975, 3237313, 3443950, 6474626, 16186565, 32373130, 80932825, 161865650]

約数ペア:

[(1, 161865650), (2, 80932825), (5, 32373130), (10, 16186565), (25, 6474626), (47, 3443950), (50, 3237313), (94, 1721975), (235, 688790), (470, 344395), (1175, 137758), (2350, 68879)]