2081100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{991}}^1$

素因数の和:1015

約数の個数: 72

約数和(自身を含む): 6888448

約数和(自身を除く): 4807348

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, 140, 150, 175, 210, 300, 350, 420, 525, 700, 991, 1050, 1982, 2100, 2973, 3964, 4955, 5946, 6937, 9910, 11892, 13874, 14865, 19820, 20811, 24775, 27748, 29730, 34685, 41622, 49550, 59460, 69370, 74325, 83244, 99100, 104055, 138740, 148650, 173425, 208110, 297300, 346850, 416220, 520275, 693700, 1040550, 2081100]

約数ペア:

[(1, 2081100), (2, 1040550), (3, 693700), (4, 520275), (5, 416220), (6, 346850), (7, 297300), (10, 208110), (12, 173425), (14, 148650), (15, 138740), (20, 104055), (21, 99100), (25, 83244), (28, 74325), (30, 69370), (35, 59460), (42, 49550), (50, 41622), (60, 34685), (70, 29730), (75, 27748), (84, 24775), (100, 20811), (105, 19820), (140, 14865), (150, 13874), (175, 11892), (210, 9910), (300, 6937), (350, 5946), (420, 4955), (525, 3964), (700, 2973), (991, 2100), (1050, 1982)]