127400728

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1259}}^1$

素因数の和:1424

約数の個数: 64

約数和(自身を含む): 296352000

約数和(自身を除く): 168951272

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 139, 182, 278, 364, 556, 728, 973, 1112, 1259, 1807, 1946, 2518, 3614, 3892, 5036, 7228, 7784, 8813, 10072, 12649, 14456, 16367, 17626, 25298, 32734, 35252, 50596, 65468, 70504, 101192, 114569, 130936, 175001, 229138, 350002, 458276, 700004, 916552, 1225007, 1400008, 2275013, 2450014, 4550026, 4900028, 9100052, 9800056, 15925091, 18200104, 31850182, 63700364, 127400728]

約数ペア:

[(1, 127400728), (2, 63700364), (4, 31850182), (7, 18200104), (8, 15925091), (13, 9800056), (14, 9100052), (26, 4900028), (28, 4550026), (52, 2450014), (56, 2275013), (91, 1400008), (104, 1225007), (139, 916552), (182, 700004), (278, 458276), (364, 350002), (556, 229138), (728, 175001), (973, 130936), (1112, 114569), (1259, 101192), (1807, 70504), (1946, 65468), (2518, 50596), (3614, 35252), (3892, 32734), (5036, 25298), (7228, 17626), (7784, 16367), (8813, 14456), (10072, 12649)]