1900366957480

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3217}}^1\times {\mathrm{242101}}^1$

素因数の和:245390

約数の個数: 64

約数和(自身を含む): 4347290036880

約数和(自身を除く): 2446923079400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 3217, 6434, 12868, 16085, 25736, 32170, 64340, 128680, 196237, 242101, 392474, 484202, 784948, 968404, 981185, 1210505, 1569896, 1936808, 1962370, 2421010, 3924740, 4842020, 7849480, 9684040, 14768161, 29536322, 59072644, 73840805, 118145288, 147681610, 295363220, 590726440, 778838917, 1557677834, 3115355668, 3894194585, 6230711336, 7788389170, 15576778340, 31153556680, 47509173937, 95018347874, 190036695748, 237545869685, 380073391496, 475091739370, 950183478740, 1900366957480]

約数ペア:

[(1, 1900366957480), (2, 950183478740), (4, 475091739370), (5, 380073391496), (8, 237545869685), (10, 190036695748), (20, 95018347874), (40, 47509173937), (61, 31153556680), (122, 15576778340), (244, 7788389170), (305, 6230711336), (488, 3894194585), (610, 3115355668), (1220, 1557677834), (2440, 778838917), (3217, 590726440), (6434, 295363220), (12868, 147681610), (16085, 118145288), (25736, 73840805), (32170, 59072644), (64340, 29536322), (128680, 14768161), (196237, 9684040), (242101, 7849480), (392474, 4842020), (484202, 3924740), (784948, 2421010), (968404, 1962370), (981185, 1936808), (1210505, 1569896)]