231999860

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{130337}}^1$

素因数の和:130435

約数の個数: 24

約数和(自身を含む): 492677640

約数和(自身を除く): 260677780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 130337, 260674, 521348, 651685, 1303370, 2606740, 11599993, 23199986, 46399972, 57999965, 115999930, 231999860]

約数ペア:

[(1, 231999860), (2, 115999930), (4, 57999965), (5, 46399972), (10, 23199986), (20, 11599993), (89, 2606740), (178, 1303370), (356, 651685), (445, 521348), (890, 260674), (1780, 130337)]