2351380

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1321}}^1$

素因数の和:1419

約数の個数: 24

約数和(自身を含む): 4997160

約数和(自身を除く): 2645780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1321, 1780, 2642, 5284, 6605, 13210, 26420, 117569, 235138, 470276, 587845, 1175690, 2351380]

約数ペア:

[(1, 2351380), (2, 1175690), (4, 587845), (5, 470276), (10, 235138), (20, 117569), (89, 26420), (178, 13210), (356, 6605), (445, 5284), (890, 2642), (1321, 1780)]