258984940

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{121021}}^1$

素因数の和:121137

約数の個数: 24

約数和(自身を含む): 548955792

約数和(自身を除く): 289970852

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 121021, 242042, 484084, 605105, 1210210, 2420420, 12949247, 25898494, 51796988, 64746235, 129492470, 258984940]

約数ペア:

[(1, 258984940), (2, 129492470), (4, 64746235), (5, 51796988), (10, 25898494), (20, 12949247), (107, 2420420), (214, 1210210), (428, 605105), (535, 484084), (1070, 242042), (2140, 121021)]