207284840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{740303}}^1$

素因数の和:740321

約数の個数: 32

約数和(自身を含む): 533018880

約数和(自身を除く): 325734040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 740303, 1480606, 2961212, 3701515, 5182121, 5922424, 7403030, 10364242, 14806060, 20728484, 25910605, 29612120, 41456968, 51821210, 103642420, 207284840]

約数ペア:

[(1, 207284840), (2, 103642420), (4, 51821210), (5, 41456968), (7, 29612120), (8, 25910605), (10, 20728484), (14, 14806060), (20, 10364242), (28, 7403030), (35, 5922424), (40, 5182121), (56, 3701515), (70, 2961212), (140, 1480606), (280, 740303)]