256948180

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{558583}}^1$

素因数の和:558615

約数の個数: 24

約数和(自身を含む): 563052672

約数和(自身を除く): 306104492

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 558583, 1117166, 2234332, 2792915, 5585830, 11171660, 12847409, 25694818, 51389636, 64237045, 128474090, 256948180]

約数ペア:

[(1, 256948180), (2, 128474090), (4, 64237045), (5, 51389636), (10, 25694818), (20, 12847409), (23, 11171660), (46, 5585830), (92, 2792915), (115, 2234332), (230, 1117166), (460, 558583)]