290400346

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{1759}}^1$

素因数の和:1918

約数の個数: 32

約数和(自身を含む): 471905280

約数和(自身を除く): 181504934

約数列:

[1, 2, 23, 37, 46, 74, 97, 194, 851, 1702, 1759, 2231, 3518, 3589, 4462, 7178, 40457, 65083, 80914, 82547, 130166, 165094, 170623, 341246, 1496909, 2993818, 3924329, 6313051, 7848658, 12626102, 145200173, 290400346]

約数ペア:

[(1, 290400346), (2, 145200173), (23, 12626102), (37, 7848658), (46, 6313051), (74, 3924329), (97, 2993818), (194, 1496909), (851, 341246), (1702, 170623), (1759, 165094), (2231, 130166), (3518, 82547), (3589, 80914), (4462, 65083), (7178, 40457)]