318510160

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{28643}}^1$

素因数の和:28795

約数の個数: 40

約数和(自身を含む): 745889760

約数和(自身を除く): 427379600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 1112, 1390, 2224, 2780, 5560, 11120, 28643, 57286, 114572, 143215, 229144, 286430, 458288, 572860, 1145720, 2291440, 3981377, 7962754, 15925508, 19906885, 31851016, 39813770, 63702032, 79627540, 159255080, 318510160]

約数ペア:

[(1, 318510160), (2, 159255080), (4, 79627540), (5, 63702032), (8, 39813770), (10, 31851016), (16, 19906885), (20, 15925508), (40, 7962754), (80, 3981377), (139, 2291440), (278, 1145720), (556, 572860), (695, 458288), (1112, 286430), (1390, 229144), (2224, 143215), (2780, 114572), (5560, 57286), (11120, 28643)]