138913180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{52223}}^1$

素因数の和:52258

約数の個数: 48

約数和(自身を含む): 350945280

約数和(自身を除く): 212032100

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 52223, 104446, 208892, 261115, 365561, 522230, 731122, 992237, 1044460, 1462244, 1827805, 1984474, 3655610, 3968948, 4961185, 6945659, 7311220, 9922370, 13891318, 19844740, 27782636, 34728295, 69456590, 138913180]

約数ペア:

[(1, 138913180), (2, 69456590), (4, 34728295), (5, 27782636), (7, 19844740), (10, 13891318), (14, 9922370), (19, 7311220), (20, 6945659), (28, 4961185), (35, 3968948), (38, 3655610), (70, 1984474), (76, 1827805), (95, 1462244), (133, 1044460), (140, 992237), (190, 731122), (266, 522230), (380, 365561), (532, 261115), (665, 208892), (1330, 104446), (2660, 52223)]