290057140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{630559}}^1$

素因数の和:630591

約数の個数: 24

約数和(自身を含む): 635604480

約数和(自身を除く): 345547340

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 630559, 1261118, 2522236, 3152795, 6305590, 12611180, 14502857, 29005714, 58011428, 72514285, 145028570, 290057140]

約数ペア:

[(1, 290057140), (2, 145028570), (4, 72514285), (5, 58011428), (10, 29005714), (20, 14502857), (23, 12611180), (46, 6305590), (92, 3152795), (115, 2522236), (230, 1261118), (460, 630559)]