78388450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{7723}}^1$

素因数の和:7771

約数の個数: 48

約数和(自身を含む): 172399680

約数和(自身を除く): 94011230

約数列:

[1, 2, 5, 7, 10, 14, 25, 29, 35, 50, 58, 70, 145, 175, 203, 290, 350, 406, 725, 1015, 1450, 2030, 5075, 7723, 10150, 15446, 38615, 54061, 77230, 108122, 193075, 223967, 270305, 386150, 447934, 540610, 1119835, 1351525, 1567769, 2239670, 2703050, 3135538, 5599175, 7838845, 11198350, 15677690, 39194225, 78388450]

約数ペア:

[(1, 78388450), (2, 39194225), (5, 15677690), (7, 11198350), (10, 7838845), (14, 5599175), (25, 3135538), (29, 2703050), (35, 2239670), (50, 1567769), (58, 1351525), (70, 1119835), (145, 540610), (175, 447934), (203, 386150), (290, 270305), (350, 223967), (406, 193075), (725, 108122), (1015, 77230), (1450, 54061), (2030, 38615), (5075, 15446), (7723, 10150)]