54520780

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1\times {\mathrm{349}}^1$

素因数の和:538

約数の個数: 48

約数和(自身を含む): 117482400

約数和(自身を除く): 62961620

約数列:

[1, 2, 4, 5, 10, 20, 73, 107, 146, 214, 292, 349, 365, 428, 535, 698, 730, 1070, 1396, 1460, 1745, 2140, 3490, 6980, 7811, 15622, 25477, 31244, 37343, 39055, 50954, 74686, 78110, 101908, 127385, 149372, 156220, 186715, 254770, 373430, 509540, 746860, 2726039, 5452078, 10904156, 13630195, 27260390, 54520780]

約数ペア:

[(1, 54520780), (2, 27260390), (4, 13630195), (5, 10904156), (10, 5452078), (20, 2726039), (73, 746860), (107, 509540), (146, 373430), (214, 254770), (292, 186715), (349, 156220), (365, 149372), (428, 127385), (535, 101908), (698, 78110), (730, 74686), (1070, 50954), (1396, 39055), (1460, 37343), (1745, 31244), (2140, 25477), (3490, 15622), (6980, 7811)]