2294420

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1289}}^1$

素因数の和:1387

約数の個数: 24

約数和(自身を含む): 4876200

約数和(自身を除く): 2581780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1289, 1780, 2578, 5156, 6445, 12890, 25780, 114721, 229442, 458884, 573605, 1147210, 2294420]

約数ペア:

[(1, 2294420), (2, 1147210), (4, 573605), (5, 458884), (10, 229442), (20, 114721), (89, 25780), (178, 12890), (356, 6445), (445, 5156), (890, 2578), (1289, 1780)]