4995025

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1$

素因数の和:130

約数の個数: 48

約数和(自身を含む): 7928064

約数和(自身を除く): 2933039

約数列:

[1, 5, 7, 17, 23, 25, 35, 73, 85, 115, 119, 161, 175, 365, 391, 425, 511, 575, 595, 805, 1241, 1679, 1825, 1955, 2555, 2737, 2975, 4025, 6205, 8395, 8687, 9775, 11753, 12775, 13685, 28543, 31025, 41975, 43435, 58765, 68425, 142715, 199801, 217175, 293825, 713575, 999005, 4995025]

約数ペア:

[(1, 4995025), (5, 999005), (7, 713575), (17, 293825), (23, 217175), (25, 199801), (35, 142715), (73, 68425), (85, 58765), (115, 43435), (119, 41975), (161, 31025), (175, 28543), (365, 13685), (391, 12775), (425, 11753), (511, 9775), (575, 8687), (595, 8395), (805, 6205), (1241, 4025), (1679, 2975), (1825, 2737), (1955, 2555)]