179661872

素因数分解:

$2^4\times {\mathrm{13}}^3\times {\mathrm{19}}^1\times {\mathrm{269}}^1$

素因数の和:335

約数の個数: 80

約数和(自身を含む): 398412000

約数和(自身を除く): 218750128

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 169, 208, 247, 269, 304, 338, 494, 538, 676, 988, 1076, 1352, 1976, 2152, 2197, 2704, 3211, 3497, 3952, 4304, 4394, 5111, 6422, 6994, 8788, 10222, 12844, 13988, 17576, 20444, 25688, 27976, 35152, 40888, 41743, 45461, 51376, 55952, 66443, 81776, 83486, 90922, 132886, 166972, 181844, 265772, 333944, 363688, 531544, 590993, 667888, 727376, 863759, 1063088, 1181986, 1727518, 2363972, 3455036, 4727944, 6910072, 9455888, 11228867, 13820144, 22457734, 44915468, 89830936, 179661872]

約数ペア:

[(1, 179661872), (2, 89830936), (4, 44915468), (8, 22457734), (13, 13820144), (16, 11228867), (19, 9455888), (26, 6910072), (38, 4727944), (52, 3455036), (76, 2363972), (104, 1727518), (152, 1181986), (169, 1063088), (208, 863759), (247, 727376), (269, 667888), (304, 590993), (338, 531544), (494, 363688), (538, 333944), (676, 265772), (988, 181844), (1076, 166972), (1352, 132886), (1976, 90922), (2152, 83486), (2197, 81776), (2704, 66443), (3211, 55952), (3497, 51376), (3952, 45461), (4304, 41743), (4394, 40888), (5111, 35152), (6422, 27976), (6994, 25688), (8788, 20444), (10222, 17576), (12844, 13988)]