258889780

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{114553}}^1$

素因数の和:114675

約数の個数: 24

約数和(自身を含む): 548484552

約数和(自身を除く): 289594772

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 114553, 229106, 458212, 572765, 1145530, 2291060, 12944489, 25888978, 51777956, 64722445, 129444890, 258889780]

約数ペア:

[(1, 258889780), (2, 129444890), (4, 64722445), (5, 51777956), (10, 25888978), (20, 12944489), (113, 2291060), (226, 1145530), (452, 572765), (565, 458212), (1130, 229106), (2260, 114553)]