2772140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19801}}^1$

素因数の和:19817

約数の個数: 24

約数和(自身を含む): 6653472

約数和(自身を除く): 3881332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 19801, 39602, 79204, 99005, 138607, 198010, 277214, 396020, 554428, 693035, 1386070, 2772140]

約数ペア:

[(1, 2772140), (2, 1386070), (4, 693035), (5, 554428), (7, 396020), (10, 277214), (14, 198010), (20, 138607), (28, 99005), (35, 79204), (70, 39602), (140, 19801)]