1940900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1493}}^1$

素因数の和:1520

約数の個数: 36

約数和(自身を含む): 4538772

約数和(自身を除く): 2597872

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 1493, 2986, 5972, 7465, 14930, 19409, 29860, 37325, 38818, 74650, 77636, 97045, 149300, 194090, 388180, 485225, 970450, 1940900]

約数ペア:

[(1, 1940900), (2, 970450), (4, 485225), (5, 388180), (10, 194090), (13, 149300), (20, 97045), (25, 77636), (26, 74650), (50, 38818), (52, 37325), (65, 29860), (100, 19409), (130, 14930), (260, 7465), (325, 5972), (650, 2986), (1300, 1493)]