83390780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{2027}}^1$

素因数の和:2075

約数の個数: 72

約数和(自身を含む): 203911344

約数和(自身を除く): 120520564

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 121, 170, 187, 220, 242, 340, 374, 484, 605, 748, 935, 1210, 1870, 2027, 2057, 2420, 3740, 4054, 4114, 8108, 8228, 10135, 10285, 20270, 20570, 22297, 34459, 40540, 41140, 44594, 68918, 89188, 111485, 137836, 172295, 222970, 245267, 344590, 379049, 445940, 490534, 689180, 758098, 981068, 1226335, 1516196, 1895245, 2452670, 3790490, 4169539, 4905340, 7580980, 8339078, 16678156, 20847695, 41695390, 83390780]

約数ペア:

[(1, 83390780), (2, 41695390), (4, 20847695), (5, 16678156), (10, 8339078), (11, 7580980), (17, 4905340), (20, 4169539), (22, 3790490), (34, 2452670), (44, 1895245), (55, 1516196), (68, 1226335), (85, 981068), (110, 758098), (121, 689180), (170, 490534), (187, 445940), (220, 379049), (242, 344590), (340, 245267), (374, 222970), (484, 172295), (605, 137836), (748, 111485), (935, 89188), (1210, 68918), (1870, 44594), (2027, 41140), (2057, 40540), (2420, 34459), (3740, 22297), (4054, 20570), (4114, 20270), (8108, 10285), (8228, 10135)]