138072620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{51907}}^1$

素因数の和:51942

約数の個数: 48

約数和(自身を含む): 348821760

約数和(自身を除く): 210749140

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 51907, 103814, 207628, 259535, 363349, 519070, 726698, 986233, 1038140, 1453396, 1816745, 1972466, 3633490, 3944932, 4931165, 6903631, 7266980, 9862330, 13807262, 19724660, 27614524, 34518155, 69036310, 138072620]

約数ペア:

[(1, 138072620), (2, 69036310), (4, 34518155), (5, 27614524), (7, 19724660), (10, 13807262), (14, 9862330), (19, 7266980), (20, 6903631), (28, 4931165), (35, 3944932), (38, 3633490), (70, 1972466), (76, 1816745), (95, 1453396), (133, 1038140), (140, 986233), (190, 726698), (266, 519070), (380, 363349), (532, 259535), (665, 207628), (1330, 103814), (2660, 51907)]