724961020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{20149}}^1$

素因数の和:20422

約数の個数: 48

約数和(自身を含む): 1746763200

約数和(自身を除く): 1021802180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 257, 514, 1028, 1285, 1799, 2570, 3598, 5140, 7196, 8995, 17990, 20149, 35980, 40298, 80596, 100745, 141043, 201490, 282086, 402980, 564172, 705215, 1410430, 2820860, 5178293, 10356586, 20713172, 25891465, 36248051, 51782930, 72496102, 103565860, 144992204, 181240255, 362480510, 724961020]

約数ペア:

[(1, 724961020), (2, 362480510), (4, 181240255), (5, 144992204), (7, 103565860), (10, 72496102), (14, 51782930), (20, 36248051), (28, 25891465), (35, 20713172), (70, 10356586), (140, 5178293), (257, 2820860), (514, 1410430), (1028, 705215), (1285, 564172), (1799, 402980), (2570, 282086), (3598, 201490), (5140, 141043), (7196, 100745), (8995, 80596), (17990, 40298), (20149, 35980)]