203780

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{443}}^1$

素因数の和:475

約数の個数: 24

約数和(自身を含む): 447552

約数和(自身を除く): 243772

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 443, 460, 886, 1772, 2215, 4430, 8860, 10189, 20378, 40756, 50945, 101890, 203780]

約数ペア:

[(1, 203780), (2, 101890), (4, 50945), (5, 40756), (10, 20378), (20, 10189), (23, 8860), (46, 4430), (92, 2215), (115, 1772), (230, 886), (443, 460)]