200508980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{204601}}^1$

素因数の和:204624

約数の個数: 36

約数和(自身を含む): 489817188

約数和(自身を除く): 289308208

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 204601, 409202, 818404, 1023005, 1432207, 2046010, 2864414, 4092020, 5728828, 7161035, 10025449, 14322070, 20050898, 28644140, 40101796, 50127245, 100254490, 200508980]

約数ペア:

[(1, 200508980), (2, 100254490), (4, 50127245), (5, 40101796), (7, 28644140), (10, 20050898), (14, 14322070), (20, 10025449), (28, 7161035), (35, 5728828), (49, 4092020), (70, 2864414), (98, 2046010), (140, 1432207), (196, 1023005), (245, 818404), (490, 409202), (980, 204601)]