68656420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{653}}^1\times {\mathrm{751}}^1$

素因数の和:1420

約数の個数: 48

約数和(自身を含む): 165247488

約数和(自身を除く): 96591068

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 653, 751, 1306, 1502, 2612, 3004, 3265, 3755, 4571, 5257, 6530, 7510, 9142, 10514, 13060, 15020, 18284, 21028, 22855, 26285, 45710, 52570, 91420, 105140, 490403, 980806, 1961612, 2452015, 3432821, 4904030, 6865642, 9808060, 13731284, 17164105, 34328210, 68656420]

約数ペア:

[(1, 68656420), (2, 34328210), (4, 17164105), (5, 13731284), (7, 9808060), (10, 6865642), (14, 4904030), (20, 3432821), (28, 2452015), (35, 1961612), (70, 980806), (140, 490403), (653, 105140), (751, 91420), (1306, 52570), (1502, 45710), (2612, 26285), (3004, 22855), (3265, 21028), (3755, 18284), (4571, 15020), (5257, 13060), (6530, 10514), (7510, 9142)]