220199320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{17257}}^1$

素因数の和:17308

約数の個数: 64

約数和(自身を含む): 559159200

約数和(自身を除く): 338959880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 88, 110, 116, 145, 220, 232, 290, 319, 440, 580, 638, 1160, 1276, 1595, 2552, 3190, 6380, 12760, 17257, 34514, 69028, 86285, 138056, 172570, 189827, 345140, 379654, 500453, 690280, 759308, 949135, 1000906, 1518616, 1898270, 2001812, 2502265, 3796540, 4003624, 5004530, 5504983, 7593080, 10009060, 11009966, 20018120, 22019932, 27524915, 44039864, 55049830, 110099660, 220199320]

約数ペア:

[(1, 220199320), (2, 110099660), (4, 55049830), (5, 44039864), (8, 27524915), (10, 22019932), (11, 20018120), (20, 11009966), (22, 10009060), (29, 7593080), (40, 5504983), (44, 5004530), (55, 4003624), (58, 3796540), (88, 2502265), (110, 2001812), (116, 1898270), (145, 1518616), (220, 1000906), (232, 949135), (290, 759308), (319, 690280), (440, 500453), (580, 379654), (638, 345140), (1160, 189827), (1276, 172570), (1595, 138056), (2552, 86285), (3190, 69028), (6380, 34514), (12760, 17257)]