200930380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{205031}}^1$

素因数の和:205054

約数の個数: 36

約数和(自身を含む): 490846608

約数和(自身を除く): 289916228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 205031, 410062, 820124, 1025155, 1435217, 2050310, 2870434, 4100620, 5740868, 7176085, 10046519, 14352170, 20093038, 28704340, 40186076, 50232595, 100465190, 200930380]

約数ペア:

[(1, 200930380), (2, 100465190), (4, 50232595), (5, 40186076), (7, 28704340), (10, 20093038), (14, 14352170), (20, 10046519), (28, 7176085), (35, 5740868), (49, 4100620), (70, 2870434), (98, 2050310), (140, 1435217), (196, 1025155), (245, 820124), (490, 410062), (980, 205031)]