68438000

素因数分解:

$2^4\times 5^3\times {\mathrm{19}}^1\times {\mathrm{1801}}^1$

素因数の和:1843

約数の個数: 80

約数和(自身を含む): 174289440

約数和(自身を除く): 105851440

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 125, 152, 190, 200, 250, 304, 380, 400, 475, 500, 760, 950, 1000, 1520, 1801, 1900, 2000, 2375, 3602, 3800, 4750, 7204, 7600, 9005, 9500, 14408, 18010, 19000, 28816, 34219, 36020, 38000, 45025, 68438, 72040, 90050, 136876, 144080, 171095, 180100, 225125, 273752, 342190, 360200, 450250, 547504, 684380, 720400, 855475, 900500, 1368760, 1710950, 1801000, 2737520, 3421900, 3602000, 4277375, 6843800, 8554750, 13687600, 17109500, 34219000, 68438000]

約数ペア:

[(1, 68438000), (2, 34219000), (4, 17109500), (5, 13687600), (8, 8554750), (10, 6843800), (16, 4277375), (19, 3602000), (20, 3421900), (25, 2737520), (38, 1801000), (40, 1710950), (50, 1368760), (76, 900500), (80, 855475), (95, 720400), (100, 684380), (125, 547504), (152, 450250), (190, 360200), (200, 342190), (250, 273752), (304, 225125), (380, 180100), (400, 171095), (475, 144080), (500, 136876), (760, 90050), (950, 72040), (1000, 68438), (1520, 45025), (1801, 38000), (1900, 36020), (2000, 34219), (2375, 28816), (3602, 19000), (3800, 18010), (4750, 14408), (7204, 9500), (7600, 9005)]