205747500

素因数分解:

$2^2\times 3^1\times 5^4\times 7^1\times {\mathrm{3919}}^1$

素因数の和:3953

約数の個数: 120

約数和(自身を含む): 685780480

約数和(自身を除く): 480032980

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, 500, 525, 625, 700, 750, 875, 1050, 1250, 1500, 1750, 1875, 2100, 2500, 2625, 3500, 3750, 3919, 4375, 5250, 7500, 7838, 8750, 10500, 11757, 13125, 15676, 17500, 19595, 23514, 26250, 27433, 39190, 47028, 52500, 54866, 58785, 78380, 82299, 97975, 109732, 117570, 137165, 164598, 195950, 235140, 274330, 293925, 329196, 391900, 411495, 489875, 548660, 587850, 685825, 822990, 979750, 1175700, 1371650, 1469625, 1645980, 1959500, 2057475, 2449375, 2743300, 2939250, 3429125, 4114950, 4898750, 5878500, 6858250, 7348125, 8229900, 9797500, 10287375, 13716500, 14696250, 17145625, 20574750, 29392500, 34291250, 41149500, 51436875, 68582500, 102873750, 205747500]

約数ペア:

[(1, 205747500), (2, 102873750), (3, 68582500), (4, 51436875), (5, 41149500), (6, 34291250), (7, 29392500), (10, 20574750), (12, 17145625), (14, 14696250), (15, 13716500), (20, 10287375), (21, 9797500), (25, 8229900), (28, 7348125), (30, 6858250), (35, 5878500), (42, 4898750), (50, 4114950), (60, 3429125), (70, 2939250), (75, 2743300), (84, 2449375), (100, 2057475), (105, 1959500), (125, 1645980), (140, 1469625), (150, 1371650), (175, 1175700), (210, 979750), (250, 822990), (300, 685825), (350, 587850), (375, 548660), (420, 489875), (500, 411495), (525, 391900), (625, 329196), (700, 293925), (750, 274330), (875, 235140), (1050, 195950), (1250, 164598), (1500, 137165), (1750, 117570), (1875, 109732), (2100, 97975), (2500, 82299), (2625, 78380), (3500, 58785), (3750, 54866), (3919, 52500), (4375, 47028), (5250, 39190), (7500, 27433), (7838, 26250), (8750, 23514), (10500, 19595), (11757, 17500), (13125, 15676)]