9929900

素因数分解:

$2^2\times 5^2\times {\mathrm{109}}^1\times {\mathrm{911}}^1$

素因数の和:1034

約数の個数: 36

約数和(自身を含む): 21769440

約数和(自身を除く): 11839540

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 109, 218, 436, 545, 911, 1090, 1822, 2180, 2725, 3644, 4555, 5450, 9110, 10900, 18220, 22775, 45550, 91100, 99299, 198598, 397196, 496495, 992990, 1985980, 2482475, 4964950, 9929900]

約数ペア:

[(1, 9929900), (2, 4964950), (4, 2482475), (5, 1985980), (10, 992990), (20, 496495), (25, 397196), (50, 198598), (100, 99299), (109, 91100), (218, 45550), (436, 22775), (545, 18220), (911, 10900), (1090, 9110), (1822, 5450), (2180, 4555), (2725, 3644)]