148308920

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{19211}}^1$

素因数の和:19415

約数の個数: 32

約数和(自身を含む): 335441520

約数和(自身を除く): 187132600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 965, 1544, 1930, 3860, 7720, 19211, 38422, 76844, 96055, 153688, 192110, 384220, 768440, 3707723, 7415446, 14830892, 18538615, 29661784, 37077230, 74154460, 148308920]

約数ペア:

[(1, 148308920), (2, 74154460), (4, 37077230), (5, 29661784), (8, 18538615), (10, 14830892), (20, 7415446), (40, 3707723), (193, 768440), (386, 384220), (772, 192110), (965, 153688), (1544, 96055), (1930, 76844), (3860, 38422), (7720, 19211)]