284431540

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{159793}}^1$

素因数の和:159891

約数の個数: 24

約数和(自身を含む): 604021320

約数和(自身を除く): 319589780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 159793, 319586, 639172, 798965, 1597930, 3195860, 14221577, 28443154, 56886308, 71107885, 142215770, 284431540]

約数ペア:

[(1, 284431540), (2, 142215770), (4, 71107885), (5, 56886308), (10, 28443154), (20, 14221577), (89, 3195860), (178, 1597930), (356, 798965), (445, 639172), (890, 319586), (1780, 159793)]