281134540

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{342847}}^1$

素因数の和:342897

約数の個数: 24

約数和(自身を含む): 604783872

約数和(自身を除く): 323649332

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 342847, 685694, 1371388, 1714235, 3428470, 6856940, 14056727, 28113454, 56226908, 70283635, 140567270, 281134540]

約数ペア:

[(1, 281134540), (2, 140567270), (4, 70283635), (5, 56226908), (10, 28113454), (20, 14056727), (41, 6856940), (82, 3428470), (164, 1714235), (205, 1371388), (410, 685694), (820, 342847)]