205301140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{6263}}^1$

素因数の和:6432

約数の個数: 48

約数和(自身を含む): 473558400

約数和(自身を除く): 268257260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 149, 220, 298, 596, 745, 1490, 1639, 2980, 3278, 6263, 6556, 8195, 12526, 16390, 25052, 31315, 32780, 62630, 68893, 125260, 137786, 275572, 344465, 688930, 933187, 1377860, 1866374, 3732748, 4665935, 9331870, 10265057, 18663740, 20530114, 41060228, 51325285, 102650570, 205301140]

約数ペア:

[(1, 205301140), (2, 102650570), (4, 51325285), (5, 41060228), (10, 20530114), (11, 18663740), (20, 10265057), (22, 9331870), (44, 4665935), (55, 3732748), (110, 1866374), (149, 1377860), (220, 933187), (298, 688930), (596, 344465), (745, 275572), (1490, 137786), (1639, 125260), (2980, 68893), (3278, 62630), (6263, 32780), (6556, 31315), (8195, 25052), (12526, 16390)]