388289320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{510907}}^1$

素因数の和:510937

約数の個数: 32

約数和(自身を含む): 919634400

約数和(自身を除く): 531345080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 510907, 1021814, 2043628, 2554535, 4087256, 5109070, 9707233, 10218140, 19414466, 20436280, 38828932, 48536165, 77657864, 97072330, 194144660, 388289320]

約数ペア:

[(1, 388289320), (2, 194144660), (4, 97072330), (5, 77657864), (8, 48536165), (10, 38828932), (19, 20436280), (20, 19414466), (38, 10218140), (40, 9707233), (76, 5109070), (95, 4087256), (152, 2554535), (190, 2043628), (380, 1021814), (760, 510907)]