137189080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{489961}}^1$

素因数の和:489979

約数の個数: 32

約数和(自身を含む): 352772640

約数和(自身を除く): 215583560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 489961, 979922, 1959844, 2449805, 3429727, 3919688, 4899610, 6859454, 9799220, 13718908, 17148635, 19598440, 27437816, 34297270, 68594540, 137189080]

約数ペア:

[(1, 137189080), (2, 68594540), (4, 34297270), (5, 27437816), (7, 19598440), (8, 17148635), (10, 13718908), (14, 9799220), (20, 6859454), (28, 4899610), (35, 3919688), (40, 3429727), (56, 2449805), (70, 1959844), (140, 979922), (280, 489961)]