268978885

素因数分解:

$5^1\times 7^3\times {\mathrm{47}}^2\times {\mathrm{71}}^1$

素因数の和:191

約数の個数: 48

約数和(自身を含む): 390009600

約数和(自身を除く): 121030715

約数列:

[1, 5, 7, 35, 47, 49, 71, 235, 245, 329, 343, 355, 497, 1645, 1715, 2209, 2303, 2485, 3337, 3479, 11045, 11515, 15463, 16121, 16685, 17395, 23359, 24353, 77315, 80605, 108241, 116795, 121765, 156839, 163513, 541205, 757687, 784195, 817565, 1097873, 1144591, 3788435, 5489365, 5722955, 7685111, 38425555, 53795777, 268978885]

約数ペア:

[(1, 268978885), (5, 53795777), (7, 38425555), (35, 7685111), (47, 5722955), (49, 5489365), (71, 3788435), (235, 1144591), (245, 1097873), (329, 817565), (343, 784195), (355, 757687), (497, 541205), (1645, 163513), (1715, 156839), (2209, 121765), (2303, 116795), (2485, 108241), (3337, 80605), (3479, 77315), (11045, 24353), (11515, 23359), (15463, 17395), (16121, 16685)]