28427420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{10687}}^1$

素因数の和:10722

約数の個数: 48

約数和(自身を含む): 71823360

約数和(自身を除く): 43395940

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, 10687, 21374, 42748, 53435, 74809, 106870, 149618, 203053, 213740, 299236, 374045, 406106, 748090, 812212, 1015265, 1421371, 1496180, 2030530, 2842742, 4061060, 5685484, 7106855, 14213710, 28427420]

約数ペア:

[(1, 28427420), (2, 14213710), (4, 7106855), (5, 5685484), (7, 4061060), (10, 2842742), (14, 2030530), (19, 1496180), (20, 1421371), (28, 1015265), (35, 812212), (38, 748090), (70, 406106), (76, 374045), (95, 299236), (133, 213740), (140, 203053), (190, 149618), (266, 106870), (380, 74809), (532, 53435), (665, 42748), (1330, 21374), (2660, 10687)]