12200660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{331}}^1$

素因数の和:456

約数の個数: 48

約数和(自身を含む): 27330240

約数和(自身を除く): 15129580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 97, 190, 194, 331, 380, 388, 485, 662, 970, 1324, 1655, 1843, 1940, 3310, 3686, 6289, 6620, 7372, 9215, 12578, 18430, 25156, 31445, 32107, 36860, 62890, 64214, 125780, 128428, 160535, 321070, 610033, 642140, 1220066, 2440132, 3050165, 6100330, 12200660]

約数ペア:

[(1, 12200660), (2, 6100330), (4, 3050165), (5, 2440132), (10, 1220066), (19, 642140), (20, 610033), (38, 321070), (76, 160535), (95, 128428), (97, 125780), (190, 64214), (194, 62890), (331, 36860), (380, 32107), (388, 31445), (485, 25156), (662, 18430), (970, 12578), (1324, 9215), (1655, 7372), (1843, 6620), (1940, 6289), (3310, 3686)]