1279936420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{811}}^1\times {\mathrm{11273}}^1$

素因数の和:12100

約数の個数: 48

約数和(自身を含む): 3075907968

約数和(自身を除く): 1795971548

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 811, 1622, 3244, 4055, 5677, 8110, 11273, 11354, 16220, 22546, 22708, 28385, 45092, 56365, 56770, 78911, 112730, 113540, 157822, 225460, 315644, 394555, 789110, 1578220, 9142403, 18284806, 36569612, 45712015, 63996821, 91424030, 127993642, 182848060, 255987284, 319984105, 639968210, 1279936420]

約数ペア:

[(1, 1279936420), (2, 639968210), (4, 319984105), (5, 255987284), (7, 182848060), (10, 127993642), (14, 91424030), (20, 63996821), (28, 45712015), (35, 36569612), (70, 18284806), (140, 9142403), (811, 1578220), (1622, 789110), (3244, 394555), (4055, 315644), (5677, 225460), (8110, 157822), (11273, 113540), (11354, 112730), (16220, 78911), (22546, 56770), (22708, 56365), (28385, 45092)]