1340545

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1$

素因数の和:264

約数の個数: 16

約数和(自身を含む): 1722240

約数和(自身を除く): 381695

約数列:

[1, 5, 19, 95, 103, 137, 515, 685, 1957, 2603, 9785, 13015, 14111, 70555, 268109, 1340545]

約数ペア:

[(1, 1340545), (5, 268109), (19, 70555), (95, 14111), (103, 13015), (137, 9785), (515, 2603), (685, 1957)]