275720510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{2207}}^1$

素因数の和:2289

約数の個数: 48

約数和(自身を含む): 552521088

約数和(自身を除く): 276800578

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 961, 1922, 2015, 2207, 4030, 4414, 4805, 9610, 11035, 12493, 22070, 24986, 28691, 57382, 62465, 68417, 124930, 136834, 143455, 286910, 342085, 684170, 889421, 1778842, 2120927, 4241854, 4447105, 8894210, 10604635, 21209270, 27572051, 55144102, 137860255, 275720510]

約数ペア:

[(1, 275720510), (2, 137860255), (5, 55144102), (10, 27572051), (13, 21209270), (26, 10604635), (31, 8894210), (62, 4447105), (65, 4241854), (130, 2120927), (155, 1778842), (310, 889421), (403, 684170), (806, 342085), (961, 286910), (1922, 143455), (2015, 136834), (2207, 124930), (4030, 68417), (4414, 62465), (4805, 57382), (9610, 28691), (11035, 24986), (12493, 22070)]