906406940

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{415783}}^1$

素因数の和:415901

約数の個数: 24

約数和(自身を含む): 1920922080

約数和(自身を除く): 1014515140

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 415783, 831566, 1663132, 2078915, 4157830, 8315660, 45320347, 90640694, 181281388, 226601735, 453203470, 906406940]

約数ペア:

[(1, 906406940), (2, 453203470), (4, 226601735), (5, 181281388), (10, 90640694), (20, 45320347), (109, 8315660), (218, 4157830), (436, 2078915), (545, 1663132), (1090, 831566), (2180, 415783)]