90871490

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{478271}}^1$

素因数の和:478297

約数の個数: 16

約数和(自身を含む): 172177920

約数和(自身を除く): 81306430

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 478271, 956542, 2391355, 4782710, 9087149, 18174298, 45435745, 90871490]

約数ペア:

[(1, 90871490), (2, 45435745), (5, 18174298), (10, 9087149), (19, 4782710), (38, 2391355), (95, 956542), (190, 478271)]