780274025

素因数分解:

$5^2\times {\mathrm{47}}^2\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:374

約数の個数: 36

約数和(自身を含む): 1007524800

約数和(自身を除く): 227250775

約数列:

[1, 5, 25, 47, 71, 199, 235, 355, 995, 1175, 1775, 2209, 3337, 4975, 9353, 11045, 14129, 16685, 46765, 55225, 70645, 83425, 156839, 233825, 353225, 439591, 664063, 784195, 2197955, 3320315, 3920975, 10989775, 16601575, 31210961, 156054805, 780274025]

約数ペア:

[(1, 780274025), (5, 156054805), (25, 31210961), (47, 16601575), (71, 10989775), (199, 3920975), (235, 3320315), (355, 2197955), (995, 784195), (1175, 664063), (1775, 439591), (2209, 353225), (3337, 233825), (4975, 156839), (9353, 83425), (11045, 70645), (14129, 55225), (16685, 46765)]