203797540

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{114493}}^1$

素因数の和:114591

約数の個数: 24

約数和(自身を含む): 432787320

約数和(自身を除く): 228989780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 114493, 228986, 457972, 572465, 1144930, 2289860, 10189877, 20379754, 40759508, 50949385, 101898770, 203797540]

約数ペア:

[(1, 203797540), (2, 101898770), (4, 50949385), (5, 40759508), (10, 20379754), (20, 10189877), (89, 2289860), (178, 1144930), (356, 572465), (445, 457972), (890, 228986), (1780, 114493)]