212103020

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{119159}}^1$

素因数の和:119257

約数の個数: 24

約数和(自身を含む): 450424800

約数和(自身を除く): 238321780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 119159, 238318, 476636, 595795, 1191590, 2383180, 10605151, 21210302, 42420604, 53025755, 106051510, 212103020]

約数ペア:

[(1, 212103020), (2, 106051510), (4, 53025755), (5, 42420604), (10, 21210302), (20, 10605151), (89, 2383180), (178, 1191590), (356, 595795), (445, 476636), (890, 238318), (1780, 119159)]