998746175

素因数分解:

$5^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{241}}^1$

素因数の和:481

約数の個数: 72

約数和(自身を含む): 1539410400

約数和(自身を除く): 540664225

約数列:

[1, 5, 7, 17, 25, 35, 49, 85, 119, 175, 199, 241, 245, 425, 595, 833, 995, 1205, 1225, 1393, 1687, 2975, 3383, 4097, 4165, 4975, 6025, 6965, 8435, 9751, 11809, 16915, 20485, 20825, 23681, 28679, 34825, 42175, 47959, 48755, 59045, 84575, 102425, 118405, 143395, 165767, 200753, 239795, 243775, 295225, 335713, 592025, 716975, 815303, 828835, 1003765, 1198975, 1678565, 2349991, 4076515, 4144175, 5018825, 5707121, 8392825, 11749955, 20382575, 28535605, 39949847, 58749775, 142678025, 199749235, 998746175]

約数ペア:

[(1, 998746175), (5, 199749235), (7, 142678025), (17, 58749775), (25, 39949847), (35, 28535605), (49, 20382575), (85, 11749955), (119, 8392825), (175, 5707121), (199, 5018825), (241, 4144175), (245, 4076515), (425, 2349991), (595, 1678565), (833, 1198975), (995, 1003765), (1205, 828835), (1225, 815303), (1393, 716975), (1687, 592025), (2975, 335713), (3383, 295225), (4097, 243775), (4165, 239795), (4975, 200753), (6025, 165767), (6965, 143395), (8435, 118405), (9751, 102425), (11809, 84575), (16915, 59045), (20485, 48755), (20825, 47959), (23681, 42175), (28679, 34825)]