201993880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{11197}}^1$

素因数の和:11260

約数の個数: 64

約数和(自身を含む): 507941280

約数和(自身を除く): 305947400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 44, 55, 82, 88, 110, 164, 205, 220, 328, 410, 440, 451, 820, 902, 1640, 1804, 2255, 3608, 4510, 9020, 11197, 18040, 22394, 44788, 55985, 89576, 111970, 123167, 223940, 246334, 447880, 459077, 492668, 615835, 918154, 985336, 1231670, 1836308, 2295385, 2463340, 3672616, 4590770, 4926680, 5049847, 9181540, 10099694, 18363080, 20199388, 25249235, 40398776, 50498470, 100996940, 201993880]

約数ペア:

[(1, 201993880), (2, 100996940), (4, 50498470), (5, 40398776), (8, 25249235), (10, 20199388), (11, 18363080), (20, 10099694), (22, 9181540), (40, 5049847), (41, 4926680), (44, 4590770), (55, 3672616), (82, 2463340), (88, 2295385), (110, 1836308), (164, 1231670), (205, 985336), (220, 918154), (328, 615835), (410, 492668), (440, 459077), (451, 447880), (820, 246334), (902, 223940), (1640, 123167), (1804, 111970), (2255, 89576), (3608, 55985), (4510, 44788), (9020, 22394), (11197, 18040)]