159697780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{25031}}^1$

素因数の和:25080

約数の個数: 48

約数和(自身を含む): 378483840

約数和(自身を除く): 218786060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 220, 290, 319, 580, 638, 1276, 1595, 3190, 6380, 25031, 50062, 100124, 125155, 250310, 275341, 500620, 550682, 725899, 1101364, 1376705, 1451798, 2753410, 2903596, 3629495, 5506820, 7258990, 7984889, 14517980, 15969778, 31939556, 39924445, 79848890, 159697780]

約数ペア:

[(1, 159697780), (2, 79848890), (4, 39924445), (5, 31939556), (10, 15969778), (11, 14517980), (20, 7984889), (22, 7258990), (29, 5506820), (44, 3629495), (55, 2903596), (58, 2753410), (110, 1451798), (116, 1376705), (145, 1101364), (220, 725899), (290, 550682), (319, 500620), (580, 275341), (638, 250310), (1276, 125155), (1595, 100124), (3190, 50062), (6380, 25031)]