4209700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:157

約数の個数: 72

約数和(自身を含む): 10311840

約数和(自身を除く): 6102140

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 43, 44, 50, 55, 86, 89, 100, 110, 172, 178, 215, 220, 275, 356, 430, 445, 473, 550, 860, 890, 946, 979, 1075, 1100, 1780, 1892, 1958, 2150, 2225, 2365, 3827, 3916, 4300, 4450, 4730, 4895, 7654, 8900, 9460, 9790, 11825, 15308, 19135, 19580, 23650, 24475, 38270, 42097, 47300, 48950, 76540, 84194, 95675, 97900, 168388, 191350, 210485, 382700, 420970, 841940, 1052425, 2104850, 4209700]

約数ペア:

[(1, 4209700), (2, 2104850), (4, 1052425), (5, 841940), (10, 420970), (11, 382700), (20, 210485), (22, 191350), (25, 168388), (43, 97900), (44, 95675), (50, 84194), (55, 76540), (86, 48950), (89, 47300), (100, 42097), (110, 38270), (172, 24475), (178, 23650), (215, 19580), (220, 19135), (275, 15308), (356, 11825), (430, 9790), (445, 9460), (473, 8900), (550, 7654), (860, 4895), (890, 4730), (946, 4450), (979, 4300), (1075, 3916), (1100, 3827), (1780, 2365), (1892, 2225), (1958, 2150)]