30712780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{219377}}^1$

素因数の和:219393

約数の個数: 24

約数和(自身を含む): 73711008

約数和(自身を除く): 42998228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 219377, 438754, 877508, 1096885, 1535639, 2193770, 3071278, 4387540, 6142556, 7678195, 15356390, 30712780]

約数ペア:

[(1, 30712780), (2, 15356390), (4, 7678195), (5, 6142556), (7, 4387540), (10, 3071278), (14, 2193770), (20, 1535639), (28, 1096885), (35, 877508), (70, 438754), (140, 219377)]