201940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{439}}^1$

素因数の和:471

約数の個数: 24

約数和(自身を含む): 443520

約数和(自身を除く): 241580

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 439, 460, 878, 1756, 2195, 4390, 8780, 10097, 20194, 40388, 50485, 100970, 201940]

約数ペア:

[(1, 201940), (2, 100970), (4, 50485), (5, 40388), (10, 20194), (20, 10097), (23, 8780), (46, 4390), (92, 2195), (115, 1756), (230, 878), (439, 460)]