691410020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{4938643}}^1$

素因数の和:4938659

約数の個数: 24

約数和(自身を含む): 1659384384

約数和(自身を除く): 967974364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 4938643, 9877286, 19754572, 24693215, 34570501, 49386430, 69141002, 98772860, 138282004, 172852505, 345705010, 691410020]

約数ペア:

[(1, 691410020), (2, 345705010), (4, 172852505), (5, 138282004), (7, 98772860), (10, 69141002), (14, 49386430), (20, 34570501), (28, 24693215), (35, 19754572), (70, 9877286), (140, 4938643)]