43490020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{310643}}^1$

素因数の和:310659

約数の個数: 24

約数和(自身を含む): 104376384

約数和(自身を除く): 60886364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 310643, 621286, 1242572, 1553215, 2174501, 3106430, 4349002, 6212860, 8698004, 10872505, 21745010, 43490020]

約数ペア:

[(1, 43490020), (2, 21745010), (4, 10872505), (5, 8698004), (7, 6212860), (10, 4349002), (14, 3106430), (20, 2174501), (28, 1553215), (35, 1242572), (70, 621286), (140, 310643)]