551844220

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{201403}}^1$

素因数の和:201549

約数の個数: 24

約数和(自身を含む): 1167337584

約数和(自身を除く): 615493364

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 201403, 402806, 805612, 1007015, 2014030, 4028060, 27592211, 55184422, 110368844, 137961055, 275922110, 551844220]

約数ペア:

[(1, 551844220), (2, 275922110), (4, 137961055), (5, 110368844), (10, 55184422), (20, 27592211), (137, 4028060), (274, 2014030), (548, 1007015), (685, 805612), (1370, 402806), (2740, 201403)]