130190980

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{73141}}^1$

素因数の和:73239

約数の個数: 24

約数和(自身を含む): 276476760

約数和(自身を除く): 146285780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 73141, 146282, 292564, 365705, 731410, 1462820, 6509549, 13019098, 26038196, 32547745, 65095490, 130190980]

約数ペア:

[(1, 130190980), (2, 65095490), (4, 32547745), (5, 26038196), (10, 13019098), (20, 6509549), (89, 1462820), (178, 731410), (356, 365705), (445, 292564), (890, 146282), (1780, 73141)]