867882760

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{26557}}^1$

素因数の和:26630

約数の個数: 64

約数和(自身を含む): 2103393600

約数和(自身を除く): 1235510840

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 43, 76, 86, 95, 152, 172, 190, 215, 344, 380, 430, 760, 817, 860, 1634, 1720, 3268, 4085, 6536, 8170, 16340, 26557, 32680, 53114, 106228, 132785, 212456, 265570, 504583, 531140, 1009166, 1062280, 1141951, 2018332, 2283902, 2522915, 4036664, 4567804, 5045830, 5709755, 9135608, 10091660, 11419510, 20183320, 21697069, 22839020, 43394138, 45678040, 86788276, 108485345, 173576552, 216970690, 433941380, 867882760]

約数ペア:

[(1, 867882760), (2, 433941380), (4, 216970690), (5, 173576552), (8, 108485345), (10, 86788276), (19, 45678040), (20, 43394138), (38, 22839020), (40, 21697069), (43, 20183320), (76, 11419510), (86, 10091660), (95, 9135608), (152, 5709755), (172, 5045830), (190, 4567804), (215, 4036664), (344, 2522915), (380, 2283902), (430, 2018332), (760, 1141951), (817, 1062280), (860, 1009166), (1634, 531140), (1720, 504583), (3268, 265570), (4085, 212456), (6536, 132785), (8170, 106228), (16340, 53114), (26557, 32680)]