289807820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{630017}}^1$

素因数の和:630049

約数の個数: 24

約数和(自身を含む): 635058144

約数和(自身を除く): 345250324

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 630017, 1260034, 2520068, 3150085, 6300170, 12600340, 14490391, 28980782, 57961564, 72451955, 144903910, 289807820]

約数ペア:

[(1, 289807820), (2, 144903910), (4, 72451955), (5, 57961564), (10, 28980782), (20, 14490391), (23, 12600340), (46, 6300170), (92, 3150085), (115, 2520068), (230, 1260034), (460, 630017)]