339454900

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{887}}^1$

素因数の和:1033

約数の個数: 72

約数和(自身を含む): 763076160

約数和(自身を除く): 423621260

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 89, 100, 172, 178, 215, 356, 430, 445, 860, 887, 890, 1075, 1774, 1780, 2150, 2225, 3548, 3827, 4300, 4435, 4450, 7654, 8870, 8900, 15308, 17740, 19135, 22175, 38141, 38270, 44350, 76282, 76540, 78943, 88700, 95675, 152564, 157886, 190705, 191350, 315772, 381410, 382700, 394715, 762820, 789430, 953525, 1578860, 1907050, 1973575, 3394549, 3814100, 3947150, 6789098, 7894300, 13578196, 16972745, 33945490, 67890980, 84863725, 169727450, 339454900]

約数ペア:

[(1, 339454900), (2, 169727450), (4, 84863725), (5, 67890980), (10, 33945490), (20, 16972745), (25, 13578196), (43, 7894300), (50, 6789098), (86, 3947150), (89, 3814100), (100, 3394549), (172, 1973575), (178, 1907050), (215, 1578860), (356, 953525), (430, 789430), (445, 762820), (860, 394715), (887, 382700), (890, 381410), (1075, 315772), (1774, 191350), (1780, 190705), (2150, 157886), (2225, 152564), (3548, 95675), (3827, 88700), (4300, 78943), (4435, 76540), (4450, 76282), (7654, 44350), (8870, 38270), (8900, 38141), (15308, 22175), (17740, 19135)]