140940415

素因数分解:

$5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1$

素因数の和:309

約数の個数: 64

約数和(自身を含む): 223027200

約数和(自身を除く): 82086785

約数列:

[1, 5, 7, 11, 31, 35, 49, 55, 77, 155, 217, 241, 245, 341, 343, 385, 539, 1085, 1205, 1519, 1687, 1705, 1715, 2387, 2651, 2695, 3773, 7471, 7595, 8435, 10633, 11809, 11935, 13255, 16709, 18557, 18865, 37355, 52297, 53165, 59045, 82181, 82663, 83545, 92785, 116963, 129899, 261485, 366079, 410905, 413315, 575267, 584815, 649495, 909293, 1830395, 2562553, 2876335, 4026869, 4546465, 12812765, 20134345, 28188083, 140940415]

約数ペア:

[(1, 140940415), (5, 28188083), (7, 20134345), (11, 12812765), (31, 4546465), (35, 4026869), (49, 2876335), (55, 2562553), (77, 1830395), (155, 909293), (217, 649495), (241, 584815), (245, 575267), (341, 413315), (343, 410905), (385, 366079), (539, 261485), (1085, 129899), (1205, 116963), (1519, 92785), (1687, 83545), (1705, 82663), (1715, 82181), (2387, 59045), (2651, 53165), (2695, 52297), (3773, 37355), (7471, 18865), (7595, 18557), (8435, 16709), (10633, 13255), (11809, 11935)]