200548180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{204641}}^1$

素因数の和:204664

約数の個数: 36

約数和(自身を含む): 489912948

約数和(自身を除く): 289364768

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 204641, 409282, 818564, 1023205, 1432487, 2046410, 2864974, 4092820, 5729948, 7162435, 10027409, 14324870, 20054818, 28649740, 40109636, 50137045, 100274090, 200548180]

約数ペア:

[(1, 200548180), (2, 100274090), (4, 50137045), (5, 40109636), (7, 28649740), (10, 20054818), (14, 14324870), (20, 10027409), (28, 7162435), (35, 5729948), (49, 4092820), (70, 2864974), (98, 2046410), (140, 1432487), (196, 1023205), (245, 818564), (490, 409282), (980, 204641)]