1340146490

素因数分解:

$2^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{494519}}^1$

素因数の和:494797

約数の個数: 16

約数和(自身を含む): 2421169920

約数和(自身を除く): 1081023430

約数列:

[1, 2, 5, 10, 271, 542, 1355, 2710, 494519, 989038, 2472595, 4945190, 134014649, 268029298, 670073245, 1340146490]

約数ペア:

[(1, 1340146490), (2, 670073245), (5, 268029298), (10, 134014649), (271, 4945190), (542, 2472595), (1355, 989038), (2710, 494519)]