290986956

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{647}}^1$

素因数の和:732

約数の個数: 108

約数和(自身を含む): 819773136

約数和(自身を除く): 528786180

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 52, 62, 78, 93, 117, 124, 156, 186, 234, 279, 372, 403, 468, 558, 647, 806, 961, 1116, 1209, 1294, 1612, 1922, 1941, 2418, 2588, 2883, 3627, 3844, 3882, 4836, 5766, 5823, 7254, 7764, 8411, 8649, 11532, 11646, 12493, 14508, 16822, 17298, 20057, 23292, 24986, 25233, 33644, 34596, 37479, 40114, 49972, 50466, 60171, 74958, 75699, 80228, 100932, 112437, 120342, 149916, 151398, 180513, 224874, 240684, 260741, 302796, 361026, 449748, 521482, 621767, 722052, 782223, 1042964, 1243534, 1564446, 1865301, 2346669, 2487068, 3128892, 3730602, 4693338, 5595903, 7461204, 8082971, 9386676, 11191806, 16165942, 22383612, 24248913, 32331884, 48497826, 72746739, 96995652, 145493478, 290986956]

約数ペア:

[(1, 290986956), (2, 145493478), (3, 96995652), (4, 72746739), (6, 48497826), (9, 32331884), (12, 24248913), (13, 22383612), (18, 16165942), (26, 11191806), (31, 9386676), (36, 8082971), (39, 7461204), (52, 5595903), (62, 4693338), (78, 3730602), (93, 3128892), (117, 2487068), (124, 2346669), (156, 1865301), (186, 1564446), (234, 1243534), (279, 1042964), (372, 782223), (403, 722052), (468, 621767), (558, 521482), (647, 449748), (806, 361026), (961, 302796), (1116, 260741), (1209, 240684), (1294, 224874), (1612, 180513), (1922, 151398), (1941, 149916), (2418, 120342), (2588, 112437), (2883, 100932), (3627, 80228), (3844, 75699), (3882, 74958), (4836, 60171), (5766, 50466), (5823, 49972), (7254, 40114), (7764, 37479), (8411, 34596), (8649, 33644), (11532, 25233), (11646, 24986), (12493, 23292), (14508, 20057), (16822, 17298)]