512573620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{139}}^1\times {\mathrm{1091}}^1$

素因数の和:1265

約数の個数: 72

約数和(自身を含む): 1175035680

約数和(自身を除く): 662462060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 139, 169, 260, 278, 338, 556, 676, 695, 845, 1091, 1390, 1690, 1807, 2182, 2780, 3380, 3614, 4364, 5455, 7228, 9035, 10910, 14183, 18070, 21820, 23491, 28366, 36140, 46982, 56732, 70915, 93964, 117455, 141830, 151649, 184379, 234910, 283660, 303298, 368758, 469820, 606596, 737516, 758245, 921895, 1516490, 1843790, 1971437, 3032980, 3687580, 3942874, 7885748, 9857185, 19714370, 25628681, 39428740, 51257362, 102514724, 128143405, 256286810, 512573620]

約数ペア:

[(1, 512573620), (2, 256286810), (4, 128143405), (5, 102514724), (10, 51257362), (13, 39428740), (20, 25628681), (26, 19714370), (52, 9857185), (65, 7885748), (130, 3942874), (139, 3687580), (169, 3032980), (260, 1971437), (278, 1843790), (338, 1516490), (556, 921895), (676, 758245), (695, 737516), (845, 606596), (1091, 469820), (1390, 368758), (1690, 303298), (1807, 283660), (2182, 234910), (2780, 184379), (3380, 151649), (3614, 141830), (4364, 117455), (5455, 93964), (7228, 70915), (9035, 56732), (10910, 46982), (14183, 36140), (18070, 28366), (21820, 23491)]