205657060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{20123}}^1$

素因数の和:20212

約数の個数: 48

約数和(自身を含む): 500363136

約数和(自身を除く): 294706076

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1460, 2044, 2555, 5110, 10220, 20123, 40246, 80492, 100615, 140861, 201230, 281722, 402460, 563444, 704305, 1408610, 1468979, 2817220, 2937958, 5875916, 7344895, 10282853, 14689790, 20565706, 29379580, 41131412, 51414265, 102828530, 205657060]

約数ペア:

[(1, 205657060), (2, 102828530), (4, 51414265), (5, 41131412), (7, 29379580), (10, 20565706), (14, 14689790), (20, 10282853), (28, 7344895), (35, 5875916), (70, 2937958), (73, 2817220), (140, 1468979), (146, 1408610), (292, 704305), (365, 563444), (511, 402460), (730, 281722), (1022, 201230), (1460, 140861), (2044, 100615), (2555, 80492), (5110, 40246), (10220, 20123)]