31009580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{221497}}^1$

素因数の和:221513

約数の個数: 24

約数和(自身を含む): 74423328

約数和(自身を除く): 43413748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 221497, 442994, 885988, 1107485, 1550479, 2214970, 3100958, 4429940, 6201916, 7752395, 15504790, 31009580]

約数ペア:

[(1, 31009580), (2, 15504790), (4, 7752395), (5, 6201916), (7, 4429940), (10, 3100958), (14, 2214970), (20, 1550479), (28, 1107485), (35, 885988), (70, 442994), (140, 221497)]