140338520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{501209}}^1$

素因数の和:501227

約数の個数: 32

約数和(自身を含む): 360871200

約数和(自身を除く): 220532680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 501209, 1002418, 2004836, 2506045, 3508463, 4009672, 5012090, 7016926, 10024180, 14033852, 17542315, 20048360, 28067704, 35084630, 70169260, 140338520]

約数ペア:

[(1, 140338520), (2, 70169260), (4, 35084630), (5, 28067704), (7, 20048360), (8, 17542315), (10, 14033852), (14, 10024180), (20, 7016926), (28, 5012090), (35, 4009672), (40, 3508463), (56, 2506045), (70, 2004836), (140, 1002418), (280, 501209)]