2005646020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{35027}}^1$

素因数の和:35452

約数の個数: 48

約数和(自身を含む): 4825457280

約数和(自身を除く): 2819811260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 409, 818, 1636, 2045, 2863, 4090, 5726, 8180, 11452, 14315, 28630, 35027, 57260, 70054, 140108, 175135, 245189, 350270, 490378, 700540, 980756, 1225945, 2451890, 4903780, 14326043, 28652086, 57304172, 71630215, 100282301, 143260430, 200564602, 286520860, 401129204, 501411505, 1002823010, 2005646020]

約数ペア:

[(1, 2005646020), (2, 1002823010), (4, 501411505), (5, 401129204), (7, 286520860), (10, 200564602), (14, 143260430), (20, 100282301), (28, 71630215), (35, 57304172), (70, 28652086), (140, 14326043), (409, 4903780), (818, 2451890), (1636, 1225945), (2045, 980756), (2863, 700540), (4090, 490378), (5726, 350270), (8180, 245189), (11452, 175135), (14315, 140108), (28630, 70054), (35027, 57260)]