121709780

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{1459}}^1$

素因数の和:1608

約数の個数: 48

約数和(自身を含む): 264411840

約数和(自身を除く): 142702060

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 97, 172, 194, 215, 388, 430, 485, 860, 970, 1459, 1940, 2918, 4171, 5836, 7295, 8342, 14590, 16684, 20855, 29180, 41710, 62737, 83420, 125474, 141523, 250948, 283046, 313685, 566092, 627370, 707615, 1254740, 1415230, 2830460, 6085489, 12170978, 24341956, 30427445, 60854890, 121709780]

約数ペア:

[(1, 121709780), (2, 60854890), (4, 30427445), (5, 24341956), (10, 12170978), (20, 6085489), (43, 2830460), (86, 1415230), (97, 1254740), (172, 707615), (194, 627370), (215, 566092), (388, 313685), (430, 283046), (485, 250948), (860, 141523), (970, 125474), (1459, 83420), (1940, 62737), (2918, 41710), (4171, 29180), (5836, 20855), (7295, 16684), (8342, 14590)]