71458520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{255209}}^1$

素因数の和:255227

約数の個数: 32

約数和(自身を含む): 183751200

約数和(自身を除く): 112292680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 255209, 510418, 1020836, 1276045, 1786463, 2041672, 2552090, 3572926, 5104180, 7145852, 8932315, 10208360, 14291704, 17864630, 35729260, 71458520]

約数ペア:

[(1, 71458520), (2, 35729260), (4, 17864630), (5, 14291704), (7, 10208360), (8, 8932315), (10, 7145852), (14, 5104180), (20, 3572926), (28, 2552090), (35, 2041672), (40, 1786463), (56, 1276045), (70, 1020836), (140, 510418), (280, 255209)]