2125700080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{499}}^1\times {\mathrm{7607}}^1$

素因数の和:8126

約数の個数: 80

約数和(自身を含む): 5660352000

約数和(自身を除く): 3534651920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 499, 560, 998, 1996, 2495, 3493, 3992, 4990, 6986, 7607, 7984, 9980, 13972, 15214, 17465, 19960, 27944, 30428, 34930, 38035, 39920, 53249, 55888, 60856, 69860, 76070, 106498, 121712, 139720, 152140, 212996, 266245, 279440, 304280, 425992, 532490, 608560, 851984, 1064980, 2129960, 3795893, 4259920, 7591786, 15183572, 18979465, 26571251, 30367144, 37958930, 53142502, 60734288, 75917860, 106285004, 132856255, 151835720, 212570008, 265712510, 303671440, 425140016, 531425020, 1062850040, 2125700080]

約数ペア:

[(1, 2125700080), (2, 1062850040), (4, 531425020), (5, 425140016), (7, 303671440), (8, 265712510), (10, 212570008), (14, 151835720), (16, 132856255), (20, 106285004), (28, 75917860), (35, 60734288), (40, 53142502), (56, 37958930), (70, 30367144), (80, 26571251), (112, 18979465), (140, 15183572), (280, 7591786), (499, 4259920), (560, 3795893), (998, 2129960), (1996, 1064980), (2495, 851984), (3493, 608560), (3992, 532490), (4990, 425992), (6986, 304280), (7607, 279440), (7984, 266245), (9980, 212996), (13972, 152140), (15214, 139720), (17465, 121712), (19960, 106498), (27944, 76070), (30428, 69860), (34930, 60856), (38035, 55888), (39920, 53249)]