161469140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{12959}}^1$

素因数の和:13064

約数の個数: 48

約数和(自身を含む): 391910400

約数和(自身を除く): 230441260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 890, 1246, 1780, 2492, 3115, 6230, 12460, 12959, 25918, 51836, 64795, 90713, 129590, 181426, 259180, 362852, 453565, 907130, 1153351, 1814260, 2306702, 4613404, 5766755, 8073457, 11533510, 16146914, 23067020, 32293828, 40367285, 80734570, 161469140]

約数ペア:

[(1, 161469140), (2, 80734570), (4, 40367285), (5, 32293828), (7, 23067020), (10, 16146914), (14, 11533510), (20, 8073457), (28, 5766755), (35, 4613404), (70, 2306702), (89, 1814260), (140, 1153351), (178, 907130), (356, 453565), (445, 362852), (623, 259180), (890, 181426), (1246, 129590), (1780, 90713), (2492, 64795), (3115, 51836), (6230, 25918), (12460, 12959)]