1340749990

素因数分解:

$2^1\times 5^1\times {\mathrm{829}}^1\times {\mathrm{161731}}^1$

素因数の和:162567

約数の個数: 16

約数和(自身を含む): 2416276080

約数和(自身を除く): 1075526090

約数列:

[1, 2, 5, 10, 829, 1658, 4145, 8290, 161731, 323462, 808655, 1617310, 134074999, 268149998, 670374995, 1340749990]

約数ペア:

[(1, 1340749990), (2, 670374995), (5, 268149998), (10, 134074999), (829, 1617310), (1658, 808655), (4145, 323462), (8290, 161731)]