210908900

素因数分解:

$2^2\times 5^2\times {\mathrm{127}}^1\times {\mathrm{16607}}^1$

素因数の和:16748

約数の個数: 36

約数和(自身を含む): 461303808

約数和(自身を除く): 250394908

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 127, 254, 508, 635, 1270, 2540, 3175, 6350, 12700, 16607, 33214, 66428, 83035, 166070, 332140, 415175, 830350, 1660700, 2109089, 4218178, 8436356, 10545445, 21090890, 42181780, 52727225, 105454450, 210908900]

約数ペア:

[(1, 210908900), (2, 105454450), (4, 52727225), (5, 42181780), (10, 21090890), (20, 10545445), (25, 8436356), (50, 4218178), (100, 2109089), (127, 1660700), (254, 830350), (508, 415175), (635, 332140), (1270, 166070), (2540, 83035), (3175, 66428), (6350, 33214), (12700, 16607)]