2854820

素因数分解:

$2^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{409}}^1$

素因数の和:767

約数の個数: 24

約数和(自身を含む): 6027000

約数和(自身を除く): 3172180

約数列:

[1, 2, 4, 5, 10, 20, 349, 409, 698, 818, 1396, 1636, 1745, 2045, 3490, 4090, 6980, 8180, 142741, 285482, 570964, 713705, 1427410, 2854820]

約数ペア:

[(1, 2854820), (2, 1427410), (4, 713705), (5, 570964), (10, 285482), (20, 142741), (349, 8180), (409, 6980), (698, 4090), (818, 3490), (1396, 2045), (1636, 1745)]