904340

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{439}}^1$

素因数の和:551

約数の個数: 24

約数和(自身を含む): 1921920

約数和(自身を除く): 1017580

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 439, 515, 878, 1030, 1756, 2060, 2195, 4390, 8780, 45217, 90434, 180868, 226085, 452170, 904340]

約数ペア:

[(1, 904340), (2, 452170), (4, 226085), (5, 180868), (10, 90434), (20, 45217), (103, 8780), (206, 4390), (412, 2195), (439, 2060), (515, 1756), (878, 1030)]