387942760

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{510451}}^1$

素因数の和:510481

約数の個数: 32

約数和(自身を含む): 918813600

約数和(自身を除く): 530870840

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 510451, 1020902, 2041804, 2552255, 4083608, 5104510, 9698569, 10209020, 19397138, 20418040, 38794276, 48492845, 77588552, 96985690, 193971380, 387942760]

約数ペア:

[(1, 387942760), (2, 193971380), (4, 96985690), (5, 77588552), (8, 48492845), (10, 38794276), (19, 20418040), (20, 19397138), (38, 10209020), (40, 9698569), (76, 5104510), (95, 4083608), (152, 2552255), (190, 2041804), (380, 1020902), (760, 510451)]