8987000

素因数分解:

$2^3\times 5^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:94

約数の個数: 128

約数和(自身を含む): 24710400

約数和(自身を除く): 15723400

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 25, 38, 40, 43, 44, 50, 55, 76, 86, 88, 95, 100, 110, 125, 152, 172, 190, 200, 209, 215, 220, 250, 275, 344, 380, 418, 430, 440, 473, 475, 500, 550, 760, 817, 836, 860, 946, 950, 1000, 1045, 1075, 1100, 1375, 1634, 1672, 1720, 1892, 1900, 2090, 2150, 2200, 2365, 2375, 2750, 3268, 3784, 3800, 4085, 4180, 4300, 4730, 4750, 5225, 5375, 5500, 6536, 8170, 8360, 8600, 8987, 9460, 9500, 10450, 10750, 11000, 11825, 16340, 17974, 18920, 19000, 20425, 20900, 21500, 23650, 26125, 32680, 35948, 40850, 41800, 43000, 44935, 47300, 52250, 59125, 71896, 81700, 89870, 94600, 102125, 104500, 118250, 163400, 179740, 204250, 209000, 224675, 236500, 359480, 408500, 449350, 473000, 817000, 898700, 1123375, 1797400, 2246750, 4493500, 8987000]

約数ペア:

[(1, 8987000), (2, 4493500), (4, 2246750), (5, 1797400), (8, 1123375), (10, 898700), (11, 817000), (19, 473000), (20, 449350), (22, 408500), (25, 359480), (38, 236500), (40, 224675), (43, 209000), (44, 204250), (50, 179740), (55, 163400), (76, 118250), (86, 104500), (88, 102125), (95, 94600), (100, 89870), (110, 81700), (125, 71896), (152, 59125), (172, 52250), (190, 47300), (200, 44935), (209, 43000), (215, 41800), (220, 40850), (250, 35948), (275, 32680), (344, 26125), (380, 23650), (418, 21500), (430, 20900), (440, 20425), (473, 19000), (475, 18920), (500, 17974), (550, 16340), (760, 11825), (817, 11000), (836, 10750), (860, 10450), (946, 9500), (950, 9460), (1000, 8987), (1045, 8600), (1075, 8360), (1100, 8170), (1375, 6536), (1634, 5500), (1672, 5375), (1720, 5225), (1892, 4750), (1900, 4730), (2090, 4300), (2150, 4180), (2200, 4085), (2365, 3800), (2375, 3784), (2750, 3268)]