78910300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{811}}^1$

素因数の和:971

約数の個数: 72

約数和(自身を含む): 197348480

約数和(自身を除く): 118438180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 139, 140, 175, 278, 350, 556, 695, 700, 811, 973, 1390, 1622, 1946, 2780, 3244, 3475, 3892, 4055, 4865, 5677, 6950, 8110, 9730, 11354, 13900, 16220, 19460, 20275, 22708, 24325, 28385, 40550, 48650, 56770, 81100, 97300, 112729, 113540, 141925, 225458, 283850, 450916, 563645, 567700, 789103, 1127290, 1578206, 2254580, 2818225, 3156412, 3945515, 5636450, 7891030, 11272900, 15782060, 19727575, 39455150, 78910300]

約数ペア:

[(1, 78910300), (2, 39455150), (4, 19727575), (5, 15782060), (7, 11272900), (10, 7891030), (14, 5636450), (20, 3945515), (25, 3156412), (28, 2818225), (35, 2254580), (50, 1578206), (70, 1127290), (100, 789103), (139, 567700), (140, 563645), (175, 450916), (278, 283850), (350, 225458), (556, 141925), (695, 113540), (700, 112729), (811, 97300), (973, 81100), (1390, 56770), (1622, 48650), (1946, 40550), (2780, 28385), (3244, 24325), (3475, 22708), (3892, 20275), (4055, 19460), (4865, 16220), (5677, 13900), (6950, 11354), (8110, 9730)]