229554460

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{199}}^1\times {\mathrm{421}}^1$

素因数の和:766

約数の個数: 48

約数和(自身を含む): 489182400

約数和(自身を除く): 259627940

約数列:

[1, 2, 4, 5, 10, 20, 137, 199, 274, 398, 421, 548, 685, 796, 842, 995, 1370, 1684, 1990, 2105, 2740, 3980, 4210, 8420, 27263, 54526, 57677, 83779, 109052, 115354, 136315, 167558, 230708, 272630, 288385, 335116, 418895, 545260, 576770, 837790, 1153540, 1675580, 11477723, 22955446, 45910892, 57388615, 114777230, 229554460]

約数ペア:

[(1, 229554460), (2, 114777230), (4, 57388615), (5, 45910892), (10, 22955446), (20, 11477723), (137, 1675580), (199, 1153540), (274, 837790), (398, 576770), (421, 545260), (548, 418895), (685, 335116), (796, 288385), (842, 272630), (995, 230708), (1370, 167558), (1684, 136315), (1990, 115354), (2105, 109052), (2740, 83779), (3980, 57677), (4210, 54526), (8420, 27263)]