2454620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:302

約数の個数: 48

約数和(自身を含む): 5987520

約数和(自身を除く): 3532900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 197, 356, 394, 445, 623, 788, 890, 985, 1246, 1379, 1780, 1970, 2492, 2758, 3115, 3940, 5516, 6230, 6895, 12460, 13790, 17533, 27580, 35066, 70132, 87665, 122731, 175330, 245462, 350660, 490924, 613655, 1227310, 2454620]

約数ペア:

[(1, 2454620), (2, 1227310), (4, 613655), (5, 490924), (7, 350660), (10, 245462), (14, 175330), (20, 122731), (28, 87665), (35, 70132), (70, 35066), (89, 27580), (140, 17533), (178, 13790), (197, 12460), (356, 6895), (394, 6230), (445, 5516), (623, 3940), (788, 3115), (890, 2758), (985, 2492), (1246, 1970), (1379, 1780)]