257000670

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{643}}^1\times {\mathrm{4441}}^1$

素因数の和:5097

約数の個数: 48

約数和(自身を含む): 669391632

約数和(自身を除く): 412390962

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 643, 1286, 1929, 3215, 3858, 4441, 5787, 6430, 8882, 9645, 11574, 13323, 19290, 22205, 26646, 28935, 39969, 44410, 57870, 66615, 79938, 133230, 199845, 399690, 2855563, 5711126, 8566689, 14277815, 17133378, 25700067, 28555630, 42833445, 51400134, 85666890, 128500335, 257000670]

約数ペア:

[(1, 257000670), (2, 128500335), (3, 85666890), (5, 51400134), (6, 42833445), (9, 28555630), (10, 25700067), (15, 17133378), (18, 14277815), (30, 8566689), (45, 5711126), (90, 2855563), (643, 399690), (1286, 199845), (1929, 133230), (3215, 79938), (3858, 66615), (4441, 57870), (5787, 44410), (6430, 39969), (8882, 28935), (9645, 26646), (11574, 22205), (13323, 19290)]