171170020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1222643}}^1$

素因数の和:1222659

約数の個数: 24

約数和(自身を含む): 410808384

約数和(自身を除く): 239638364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1222643, 2445286, 4890572, 6113215, 8558501, 12226430, 17117002, 24452860, 34234004, 42792505, 85585010, 171170020]

約数ペア:

[(1, 171170020), (2, 85585010), (4, 42792505), (5, 34234004), (7, 24452860), (10, 17117002), (14, 12226430), (20, 8558501), (28, 6113215), (35, 4890572), (70, 2445286), (140, 1222643)]