352052740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{1409}}^1$

素因数の和:1493

約数の個数: 72

約数和(自身を含む): 823276440

約数和(自身を除く): 471223700

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 961, 1409, 1612, 1922, 2015, 2818, 3844, 4030, 4805, 5636, 7045, 8060, 9610, 12493, 14090, 18317, 19220, 24986, 28180, 36634, 43679, 49972, 62465, 73268, 87358, 91585, 124930, 174716, 183170, 218395, 249860, 366340, 436790, 567827, 873580, 1135654, 1354049, 2271308, 2708098, 2839135, 5416196, 5678270, 6770245, 11356540, 13540490, 17602637, 27080980, 35205274, 70410548, 88013185, 176026370, 352052740]

約数ペア:

[(1, 352052740), (2, 176026370), (4, 88013185), (5, 70410548), (10, 35205274), (13, 27080980), (20, 17602637), (26, 13540490), (31, 11356540), (52, 6770245), (62, 5678270), (65, 5416196), (124, 2839135), (130, 2708098), (155, 2271308), (260, 1354049), (310, 1135654), (403, 873580), (620, 567827), (806, 436790), (961, 366340), (1409, 249860), (1612, 218395), (1922, 183170), (2015, 174716), (2818, 124930), (3844, 91585), (4030, 87358), (4805, 73268), (5636, 62465), (7045, 49972), (8060, 43679), (9610, 36634), (12493, 28180), (14090, 24986), (18317, 19220)]