2430380

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{887}}^1$

素因数の和:1033

約数の個数: 24

約数和(自身を含む): 5146848

約数和(自身を除く): 2716468

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 887, 1370, 1774, 2740, 3548, 4435, 8870, 17740, 121519, 243038, 486076, 607595, 1215190, 2430380]

約数ペア:

[(1, 2430380), (2, 1215190), (4, 607595), (5, 486076), (10, 243038), (20, 121519), (137, 17740), (274, 8870), (548, 4435), (685, 3548), (887, 2740), (1370, 1774)]