280304264

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{509}}^1\times {\mathrm{3623}}^1$

素因数の和:4157

約数の個数: 32

約数和(自身を含む): 554472000

約数和(自身を除く): 274167736

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 509, 1018, 2036, 3623, 4072, 7246, 9671, 14492, 19342, 28984, 38684, 68837, 77368, 137674, 275348, 550696, 1844107, 3688214, 7376428, 14752856, 35038033, 70076066, 140152132, 280304264]

約数ペア:

[(1, 280304264), (2, 140152132), (4, 70076066), (8, 35038033), (19, 14752856), (38, 7376428), (76, 3688214), (152, 1844107), (509, 550696), (1018, 275348), (2036, 137674), (3623, 77368), (4072, 68837), (7246, 38684), (9671, 28984), (14492, 19342)]