148865380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{391751}}^1$

素因数の和:391779

約数の個数: 24

約数和(自身を含む): 329071680

約数和(自身を除く): 180206300

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 391751, 783502, 1567004, 1958755, 3917510, 7443269, 7835020, 14886538, 29773076, 37216345, 74432690, 148865380]

約数ペア:

[(1, 148865380), (2, 74432690), (4, 37216345), (5, 29773076), (10, 14886538), (19, 7835020), (20, 7443269), (38, 3917510), (76, 1958755), (95, 1567004), (190, 783502), (380, 391751)]