129387850

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^2\times {\mathrm{181}}^1$

素因数の和:268

約数の個数: 72

約数和(自身を含む): 265365828

約数和(自身を除く): 135977978

約数列:

[1, 2, 5, 10, 17, 25, 29, 34, 50, 58, 85, 145, 170, 181, 290, 362, 425, 493, 725, 841, 850, 905, 986, 1450, 1682, 1810, 2465, 3077, 4205, 4525, 4930, 5249, 6154, 8410, 9050, 10498, 12325, 14297, 15385, 21025, 24650, 26245, 28594, 30770, 42050, 52490, 71485, 76925, 89233, 131225, 142970, 152221, 153850, 178466, 262450, 304442, 357425, 446165, 714850, 761105, 892330, 1522210, 2230825, 2587757, 3805525, 4461650, 5175514, 7611050, 12938785, 25877570, 64693925, 129387850]

約数ペア:

[(1, 129387850), (2, 64693925), (5, 25877570), (10, 12938785), (17, 7611050), (25, 5175514), (29, 4461650), (34, 3805525), (50, 2587757), (58, 2230825), (85, 1522210), (145, 892330), (170, 761105), (181, 714850), (290, 446165), (362, 357425), (425, 304442), (493, 262450), (725, 178466), (841, 153850), (850, 152221), (905, 142970), (986, 131225), (1450, 89233), (1682, 76925), (1810, 71485), (2465, 52490), (3077, 42050), (4205, 30770), (4525, 28594), (4930, 26245), (5249, 24650), (6154, 21025), (8410, 15385), (9050, 14297), (10498, 12325)]