2840284

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:285

約数の個数: 24

約数和(自身を含む): 5146848

約数和(自身を除く): 2306564

約数列:

[1, 2, 4, 71, 73, 137, 142, 146, 274, 284, 292, 548, 5183, 9727, 10001, 10366, 19454, 20002, 20732, 38908, 40004, 710071, 1420142, 2840284]

約数ペア:

[(1, 2840284), (2, 1420142), (4, 710071), (71, 40004), (73, 38908), (137, 20732), (142, 20002), (146, 19454), (274, 10366), (284, 10001), (292, 9727), (548, 5183)]