25221700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{263}}^1$

素因数の和:421

約数の個数: 72

約数和(自身を含む): 63245952

約数和(自身を除く): 38024252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 137, 140, 175, 263, 274, 350, 526, 548, 685, 700, 959, 1052, 1315, 1370, 1841, 1918, 2630, 2740, 3425, 3682, 3836, 4795, 5260, 6575, 6850, 7364, 9205, 9590, 13150, 13700, 18410, 19180, 23975, 26300, 36031, 36820, 46025, 47950, 72062, 92050, 95900, 144124, 180155, 184100, 252217, 360310, 504434, 720620, 900775, 1008868, 1261085, 1801550, 2522170, 3603100, 5044340, 6305425, 12610850, 25221700]

約数ペア:

[(1, 25221700), (2, 12610850), (4, 6305425), (5, 5044340), (7, 3603100), (10, 2522170), (14, 1801550), (20, 1261085), (25, 1008868), (28, 900775), (35, 720620), (50, 504434), (70, 360310), (100, 252217), (137, 184100), (140, 180155), (175, 144124), (263, 95900), (274, 92050), (350, 72062), (526, 47950), (548, 46025), (685, 36820), (700, 36031), (959, 26300), (1052, 23975), (1315, 19180), (1370, 18410), (1841, 13700), (1918, 13150), (2630, 9590), (2740, 9205), (3425, 7364), (3682, 6850), (3836, 6575), (4795, 5260)]