142188100

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^2\times {\mathrm{769}}^1$

素因数の和:869

約数の個数: 54

約数和(自身を含む): 316301370

約数和(自身を除く): 174113270

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 430, 769, 860, 1075, 1538, 1849, 2150, 3076, 3698, 3845, 4300, 7396, 7690, 9245, 15380, 18490, 19225, 33067, 36980, 38450, 46225, 66134, 76900, 92450, 132268, 165335, 184900, 330670, 661340, 826675, 1421881, 1653350, 2843762, 3306700, 5687524, 7109405, 14218810, 28437620, 35547025, 71094050, 142188100]

約数ペア:

[(1, 142188100), (2, 71094050), (4, 35547025), (5, 28437620), (10, 14218810), (20, 7109405), (25, 5687524), (43, 3306700), (50, 2843762), (86, 1653350), (100, 1421881), (172, 826675), (215, 661340), (430, 330670), (769, 184900), (860, 165335), (1075, 132268), (1538, 92450), (1849, 76900), (2150, 66134), (3076, 46225), (3698, 38450), (3845, 36980), (4300, 33067), (7396, 19225), (7690, 18490), (9245, 15380)]