87312500

素因数分解:

$2^2\times 5^6\times {\mathrm{11}}^1\times {\mathrm{127}}^1$

素因数の和:172

約数の個数: 84

約数和(自身を含む): 209997312

約数和(自身を除く): 122684812

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 125, 127, 220, 250, 254, 275, 500, 508, 550, 625, 635, 1100, 1250, 1270, 1375, 1397, 2500, 2540, 2750, 2794, 3125, 3175, 5500, 5588, 6250, 6350, 6875, 6985, 12500, 12700, 13750, 13970, 15625, 15875, 27500, 27940, 31250, 31750, 34375, 34925, 62500, 63500, 68750, 69850, 79375, 137500, 139700, 158750, 171875, 174625, 317500, 343750, 349250, 396875, 687500, 698500, 793750, 873125, 1587500, 1746250, 1984375, 3492500, 3968750, 4365625, 7937500, 8731250, 17462500, 21828125, 43656250, 87312500]

約数ペア:

[(1, 87312500), (2, 43656250), (4, 21828125), (5, 17462500), (10, 8731250), (11, 7937500), (20, 4365625), (22, 3968750), (25, 3492500), (44, 1984375), (50, 1746250), (55, 1587500), (100, 873125), (110, 793750), (125, 698500), (127, 687500), (220, 396875), (250, 349250), (254, 343750), (275, 317500), (500, 174625), (508, 171875), (550, 158750), (625, 139700), (635, 137500), (1100, 79375), (1250, 69850), (1270, 68750), (1375, 63500), (1397, 62500), (2500, 34925), (2540, 34375), (2750, 31750), (2794, 31250), (3125, 27940), (3175, 27500), (5500, 15875), (5588, 15625), (6250, 13970), (6350, 13750), (6875, 12700), (6985, 12500)]