78400448

素因数分解:

$2^6\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1259}}^1$

素因数の和:1417

約数の個数: 56

約数和(自身を含む): 179222400

約数和(自身を除く): 100821952

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 139, 224, 278, 448, 556, 973, 1112, 1259, 1946, 2224, 2518, 3892, 4448, 5036, 7784, 8813, 8896, 10072, 15568, 17626, 20144, 31136, 35252, 40288, 62272, 70504, 80576, 141008, 175001, 282016, 350002, 564032, 700004, 1225007, 1400008, 2450014, 2800016, 4900028, 5600032, 9800056, 11200064, 19600112, 39200224, 78400448]

約数ペア:

[(1, 78400448), (2, 39200224), (4, 19600112), (7, 11200064), (8, 9800056), (14, 5600032), (16, 4900028), (28, 2800016), (32, 2450014), (56, 1400008), (64, 1225007), (112, 700004), (139, 564032), (224, 350002), (278, 282016), (448, 175001), (556, 141008), (973, 80576), (1112, 70504), (1259, 62272), (1946, 40288), (2224, 35252), (2518, 31136), (3892, 20144), (4448, 17626), (5036, 15568), (7784, 10072), (8813, 8896)]