25777500

素因数分解:

$2^2\times 3^1\times 5^4\times 7^1\times {\mathrm{491}}^1$

素因数の和:525

約数の個数: 120

約数和(自身を含む): 86072448

約数和(自身を除く): 60294948

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 125, 140, 150, 175, 210, 250, 300, 350, 375, 420, 491, 500, 525, 625, 700, 750, 875, 982, 1050, 1250, 1473, 1500, 1750, 1875, 1964, 2100, 2455, 2500, 2625, 2946, 3437, 3500, 3750, 4375, 4910, 5250, 5892, 6874, 7365, 7500, 8750, 9820, 10311, 10500, 12275, 13125, 13748, 14730, 17185, 17500, 20622, 24550, 26250, 29460, 34370, 36825, 41244, 49100, 51555, 52500, 61375, 68740, 73650, 85925, 103110, 122750, 147300, 171850, 184125, 206220, 245500, 257775, 306875, 343700, 368250, 429625, 515550, 613750, 736500, 859250, 920625, 1031100, 1227500, 1288875, 1718500, 1841250, 2148125, 2577750, 3682500, 4296250, 5155500, 6444375, 8592500, 12888750, 25777500]

約数ペア:

[(1, 25777500), (2, 12888750), (3, 8592500), (4, 6444375), (5, 5155500), (6, 4296250), (7, 3682500), (10, 2577750), (12, 2148125), (14, 1841250), (15, 1718500), (20, 1288875), (21, 1227500), (25, 1031100), (28, 920625), (30, 859250), (35, 736500), (42, 613750), (50, 515550), (60, 429625), (70, 368250), (75, 343700), (84, 306875), (100, 257775), (105, 245500), (125, 206220), (140, 184125), (150, 171850), (175, 147300), (210, 122750), (250, 103110), (300, 85925), (350, 73650), (375, 68740), (420, 61375), (491, 52500), (500, 51555), (525, 49100), (625, 41244), (700, 36825), (750, 34370), (875, 29460), (982, 26250), (1050, 24550), (1250, 20622), (1473, 17500), (1500, 17185), (1750, 14730), (1875, 13748), (1964, 13125), (2100, 12275), (2455, 10500), (2500, 10311), (2625, 9820), (2946, 8750), (3437, 7500), (3500, 7365), (3750, 6874), (4375, 5892), (4910, 5250)]