380022980

素因数分解:

$2^2\times 5^1\times {\mathrm{1289}}^1\times {\mathrm{14741}}^1$

素因数の和:16039

約数の個数: 24

約数和(自身を含む): 798721560

約数和(自身を除く): 418698580

約数列:

[1, 2, 4, 5, 10, 20, 1289, 2578, 5156, 6445, 12890, 14741, 25780, 29482, 58964, 73705, 147410, 294820, 19001149, 38002298, 76004596, 95005745, 190011490, 380022980]

約数ペア:

[(1, 380022980), (2, 190011490), (4, 95005745), (5, 76004596), (10, 38002298), (20, 19001149), (1289, 294820), (2578, 147410), (5156, 73705), (6445, 58964), (12890, 29482), (14741, 25780)]