1286996860

素因数分解:

$2^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{229003}}^1$

素因数の和:229293

約数の個数: 24

約数和(自身を含む): 2712323376

約数和(自身を除く): 1425326516

約数列:

[1, 2, 4, 5, 10, 20, 281, 562, 1124, 1405, 2810, 5620, 229003, 458006, 916012, 1145015, 2290030, 4580060, 64349843, 128699686, 257399372, 321749215, 643498430, 1286996860]

約数ペア:

[(1, 1286996860), (2, 643498430), (4, 321749215), (5, 257399372), (10, 128699686), (20, 64349843), (281, 4580060), (562, 2290030), (1124, 1145015), (1405, 916012), (2810, 458006), (5620, 229003)]