28693900

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{6673}}^1$

素因数の和:6730

約数の個数: 36

約数和(自身を含む): 63723352

約数和(自身を除く): 35029452

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 430, 860, 1075, 2150, 4300, 6673, 13346, 26692, 33365, 66730, 133460, 166825, 286939, 333650, 573878, 667300, 1147756, 1434695, 2869390, 5738780, 7173475, 14346950, 28693900]

約数ペア:

[(1, 28693900), (2, 14346950), (4, 7173475), (5, 5738780), (10, 2869390), (20, 1434695), (25, 1147756), (43, 667300), (50, 573878), (86, 333650), (100, 286939), (172, 166825), (215, 133460), (430, 66730), (860, 33365), (1075, 26692), (2150, 13346), (4300, 6673)]