30542965

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{919}}^1$

素因数の和:981

約数の個数: 24

約数和(自身を含む): 40671360

約数和(自身を除く): 10128395

約数列:

[1, 5, 17, 23, 85, 115, 289, 391, 919, 1445, 1955, 4595, 6647, 15623, 21137, 33235, 78115, 105685, 265591, 359329, 1327955, 1796645, 6108593, 30542965]

約数ペア:

[(1, 30542965), (5, 6108593), (17, 1796645), (23, 1327955), (85, 359329), (115, 265591), (289, 105685), (391, 78115), (919, 33235), (1445, 21137), (1955, 15623), (4595, 6647)]