331380520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{436027}}^1$

素因数の和:436057

約数の個数: 32

約数和(自身を含む): 784850400

約数和(自身を除く): 453469880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 436027, 872054, 1744108, 2180135, 3488216, 4360270, 8284513, 8720540, 16569026, 17441080, 33138052, 41422565, 66276104, 82845130, 165690260, 331380520]

約数ペア:

[(1, 331380520), (2, 165690260), (4, 82845130), (5, 66276104), (8, 41422565), (10, 33138052), (19, 17441080), (20, 16569026), (38, 8720540), (40, 8284513), (76, 4360270), (95, 3488216), (152, 2180135), (190, 1744108), (380, 872054), (760, 436027)]