520025155

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:149

約数の個数: 96

約数和(自身を含む): 792207360

約数和(自身を除く): 272182205

約数列:

[1, 5, 13, 17, 19, 31, 47, 65, 85, 95, 155, 221, 235, 247, 289, 323, 403, 527, 589, 611, 799, 893, 1105, 1235, 1445, 1457, 1615, 2015, 2635, 2945, 3055, 3757, 3995, 4199, 4465, 5491, 6851, 7285, 7657, 8959, 10013, 10387, 11609, 13583, 15181, 18785, 18941, 20995, 24769, 27455, 27683, 34255, 38285, 44795, 50065, 51935, 58045, 67915, 71383, 75905, 94705, 116467, 123845, 130169, 138415, 170221, 176579, 197353, 258077, 321997, 356915, 359879, 421073, 470611, 582335, 650845, 851105, 882895, 986765, 1290385, 1609985, 1799395, 2105365, 2212873, 2353055, 3355001, 5473949, 6117943, 8000387, 11064365, 16775005, 27369745, 30589715, 40001935, 104005031, 520025155]

約数ペア:

[(1, 520025155), (5, 104005031), (13, 40001935), (17, 30589715), (19, 27369745), (31, 16775005), (47, 11064365), (65, 8000387), (85, 6117943), (95, 5473949), (155, 3355001), (221, 2353055), (235, 2212873), (247, 2105365), (289, 1799395), (323, 1609985), (403, 1290385), (527, 986765), (589, 882895), (611, 851105), (799, 650845), (893, 582335), (1105, 470611), (1235, 421073), (1445, 359879), (1457, 356915), (1615, 321997), (2015, 258077), (2635, 197353), (2945, 176579), (3055, 170221), (3757, 138415), (3995, 130169), (4199, 123845), (4465, 116467), (5491, 94705), (6851, 75905), (7285, 71383), (7657, 67915), (8959, 58045), (10013, 51935), (10387, 50065), (11609, 44795), (13583, 38285), (15181, 34255), (18785, 27683), (18941, 27455), (20995, 24769)]