668045320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{879007}}^1$

素因数の和:879037

約数の個数: 32

約数和(自身を含む): 1582214400

約数和(自身を除く): 914169080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 879007, 1758014, 3516028, 4395035, 7032056, 8790070, 16701133, 17580140, 33402266, 35160280, 66804532, 83505665, 133609064, 167011330, 334022660, 668045320]

約数ペア:

[(1, 668045320), (2, 334022660), (4, 167011330), (5, 133609064), (8, 83505665), (10, 66804532), (19, 35160280), (20, 33402266), (38, 17580140), (40, 16701133), (76, 8790070), (95, 7032056), (152, 4395035), (190, 3516028), (380, 1758014), (760, 879007)]