2820293140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{20144951}}^1$

素因数の和:20144967

約数の個数: 24

約数和(自身を含む): 6768703872

約数和(自身を除く): 3948410732

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 20144951, 40289902, 80579804, 100724755, 141014657, 201449510, 282029314, 402899020, 564058628, 705073285, 1410146570, 2820293140]

約数ペア:

[(1, 2820293140), (2, 1410146570), (4, 705073285), (5, 564058628), (7, 402899020), (10, 282029314), (14, 201449510), (20, 141014657), (28, 100724755), (35, 80579804), (70, 40289902), (140, 20144951)]