200916520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{717559}}^1$

素因数の和:717577

約数の個数: 32

約数和(自身を含む): 516643200

約数和(自身を除く): 315726680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 717559, 1435118, 2870236, 3587795, 5022913, 5740472, 7175590, 10045826, 14351180, 20091652, 25114565, 28702360, 40183304, 50229130, 100458260, 200916520]

約数ペア:

[(1, 200916520), (2, 100458260), (4, 50229130), (5, 40183304), (7, 28702360), (8, 25114565), (10, 20091652), (14, 14351180), (20, 10045826), (28, 7175590), (35, 5740472), (40, 5022913), (56, 3587795), (70, 2870236), (140, 1435118), (280, 717559)]