254505790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{3209}}^1$

素因数の和:3337

約数の個数: 64

約数和(自身を含む): 576875520

約数和(自身を除く): 322369730

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 103, 110, 154, 206, 385, 515, 721, 770, 1030, 1133, 1442, 2266, 3209, 3605, 5665, 6418, 7210, 7931, 11330, 15862, 16045, 22463, 32090, 35299, 39655, 44926, 70598, 79310, 112315, 176495, 224630, 247093, 330527, 352990, 494186, 661054, 1235465, 1652635, 2313689, 2470930, 3305270, 3635797, 4627378, 7271594, 11568445, 18178985, 23136890, 25450579, 36357970, 50901158, 127252895, 254505790]

約数ペア:

[(1, 254505790), (2, 127252895), (5, 50901158), (7, 36357970), (10, 25450579), (11, 23136890), (14, 18178985), (22, 11568445), (35, 7271594), (55, 4627378), (70, 3635797), (77, 3305270), (103, 2470930), (110, 2313689), (154, 1652635), (206, 1235465), (385, 661054), (515, 494186), (721, 352990), (770, 330527), (1030, 247093), (1133, 224630), (1442, 176495), (2266, 112315), (3209, 79310), (3605, 70598), (5665, 44926), (6418, 39655), (7210, 35299), (7931, 32090), (11330, 22463), (15862, 16045)]