442800000020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{3162857143}}^1$

素因数の和:3162857159

約数の個数: 24

約数和(自身を含む): 1062720000384

約数和(自身を除く): 619920000364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 3162857143, 6325714286, 12651428572, 15814285715, 22140000001, 31628571430, 44280000002, 63257142860, 88560000004, 110700000005, 221400000010, 442800000020]

約数ペア:

[(1, 442800000020), (2, 221400000010), (4, 110700000005), (5, 88560000004), (7, 63257142860), (10, 44280000002), (14, 31628571430), (20, 22140000001), (28, 15814285715), (35, 12651428572), (70, 6325714286), (140, 3162857143)]