639320950

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{440911}}^1$

素因数の和:440952

約数の個数: 24

約数和(自身を含む): 1230144480

約数和(自身を除く): 590823530

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 145, 290, 725, 1450, 440911, 881822, 2204555, 4409110, 11022775, 12786419, 22045550, 25572838, 63932095, 127864190, 319660475, 639320950]

約数ペア:

[(1, 639320950), (2, 319660475), (5, 127864190), (10, 63932095), (25, 25572838), (29, 22045550), (50, 12786419), (58, 11022775), (145, 4409110), (290, 2204555), (725, 881822), (1450, 440911)]