281323690

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{77929}}^1$

素因数の和:77974

約数の個数: 24

約数和(自身を含む): 534443940

約数和(自身を除く): 253120250

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 361, 722, 1805, 3610, 77929, 155858, 389645, 779290, 1480651, 2961302, 7403255, 14806510, 28132369, 56264738, 140661845, 281323690]

約数ペア:

[(1, 281323690), (2, 140661845), (5, 56264738), (10, 28132369), (19, 14806510), (38, 7403255), (95, 2961302), (190, 1480651), (361, 779290), (722, 389645), (1805, 155858), (3610, 77929)]