250234790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{2003}}^1$

素因数の和:2085

約数の個数: 48

約数和(自身を含む): 501472944

約数和(自身を除く): 251238154

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 961, 1922, 2003, 2015, 4006, 4030, 4805, 9610, 10015, 12493, 20030, 24986, 26039, 52078, 62093, 62465, 124186, 124930, 130195, 260390, 310465, 620930, 807209, 1614418, 1924883, 3849766, 4036045, 8072090, 9624415, 19248830, 25023479, 50046958, 125117395, 250234790]

約数ペア:

[(1, 250234790), (2, 125117395), (5, 50046958), (10, 25023479), (13, 19248830), (26, 9624415), (31, 8072090), (62, 4036045), (65, 3849766), (130, 1924883), (155, 1614418), (310, 807209), (403, 620930), (806, 310465), (961, 260390), (1922, 130195), (2003, 124930), (2015, 124186), (4006, 62465), (4030, 62093), (4805, 52078), (9610, 26039), (10015, 24986), (12493, 20030)]