520921900

素因数分解:

$2^2\times 5^2\times {\mathrm{109}}^1\times {\mathrm{47791}}^1$

素因数の和:47914

約数の個数: 36

約数和(自身を含む): 1140795040

約数和(自身を除く): 619873140

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 109, 218, 436, 545, 1090, 2180, 2725, 5450, 10900, 47791, 95582, 191164, 238955, 477910, 955820, 1194775, 2389550, 4779100, 5209219, 10418438, 20836876, 26046095, 52092190, 104184380, 130230475, 260460950, 520921900]

約数ペア:

[(1, 520921900), (2, 260460950), (4, 130230475), (5, 104184380), (10, 52092190), (20, 26046095), (25, 20836876), (50, 10418438), (100, 5209219), (109, 4779100), (218, 2389550), (436, 1194775), (545, 955820), (1090, 477910), (2180, 238955), (2725, 191164), (5450, 95582), (10900, 47791)]