2021303900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{37501}}^1$

素因数の和:37540

約数の個数: 108

約数和(自身を含む): 5566346856

約数和(自身を除く): 3545042956

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 49, 50, 55, 70, 77, 98, 100, 110, 140, 154, 175, 196, 220, 245, 275, 308, 350, 385, 490, 539, 550, 700, 770, 980, 1078, 1100, 1225, 1540, 1925, 2156, 2450, 2695, 3850, 4900, 5390, 7700, 10780, 13475, 26950, 37501, 53900, 75002, 150004, 187505, 262507, 375010, 412511, 525014, 750020, 825022, 937525, 1050028, 1312535, 1650044, 1837549, 1875050, 2062555, 2625070, 2887577, 3675098, 3750100, 4125110, 5250140, 5775154, 6562675, 7350196, 8250220, 9187745, 10312775, 11550308, 13125350, 14437885, 18375490, 20213039, 20625550, 26250700, 28875770, 36750980, 40426078, 41251100, 45938725, 57751540, 72189425, 80852156, 91877450, 101065195, 144378850, 183754900, 202130390, 288757700, 404260780, 505325975, 1010651950, 2021303900]

約数ペア:

[(1, 2021303900), (2, 1010651950), (4, 505325975), (5, 404260780), (7, 288757700), (10, 202130390), (11, 183754900), (14, 144378850), (20, 101065195), (22, 91877450), (25, 80852156), (28, 72189425), (35, 57751540), (44, 45938725), (49, 41251100), (50, 40426078), (55, 36750980), (70, 28875770), (77, 26250700), (98, 20625550), (100, 20213039), (110, 18375490), (140, 14437885), (154, 13125350), (175, 11550308), (196, 10312775), (220, 9187745), (245, 8250220), (275, 7350196), (308, 6562675), (350, 5775154), (385, 5250140), (490, 4125110), (539, 3750100), (550, 3675098), (700, 2887577), (770, 2625070), (980, 2062555), (1078, 1875050), (1100, 1837549), (1225, 1650044), (1540, 1312535), (1925, 1050028), (2156, 937525), (2450, 825022), (2695, 750020), (3850, 525014), (4900, 412511), (5390, 375010), (7700, 262507), (10780, 187505), (13475, 150004), (26950, 75002), (37501, 53900)]