81800100

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{97}}^1\times {\mathrm{937}}^1$

素因数の和:1054

約数の個数: 108

約数和(自身を含む): 259317604

約数和(自身を除く): 177517504

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 97, 100, 150, 180, 194, 225, 291, 300, 388, 450, 485, 582, 873, 900, 937, 970, 1164, 1455, 1746, 1874, 1940, 2425, 2811, 2910, 3492, 3748, 4365, 4685, 4850, 5622, 5820, 7275, 8433, 8730, 9370, 9700, 11244, 14055, 14550, 16866, 17460, 18740, 21825, 23425, 28110, 29100, 33732, 42165, 43650, 46850, 56220, 70275, 84330, 87300, 90889, 93700, 140550, 168660, 181778, 210825, 272667, 281100, 363556, 421650, 454445, 545334, 818001, 843300, 908890, 1090668, 1363335, 1636002, 1817780, 2272225, 2726670, 3272004, 4090005, 4544450, 5453340, 6816675, 8180010, 9088900, 13633350, 16360020, 20450025, 27266700, 40900050, 81800100]

約数ペア:

[(1, 81800100), (2, 40900050), (3, 27266700), (4, 20450025), (5, 16360020), (6, 13633350), (9, 9088900), (10, 8180010), (12, 6816675), (15, 5453340), (18, 4544450), (20, 4090005), (25, 3272004), (30, 2726670), (36, 2272225), (45, 1817780), (50, 1636002), (60, 1363335), (75, 1090668), (90, 908890), (97, 843300), (100, 818001), (150, 545334), (180, 454445), (194, 421650), (225, 363556), (291, 281100), (300, 272667), (388, 210825), (450, 181778), (485, 168660), (582, 140550), (873, 93700), (900, 90889), (937, 87300), (970, 84330), (1164, 70275), (1455, 56220), (1746, 46850), (1874, 43650), (1940, 42165), (2425, 33732), (2811, 29100), (2910, 28110), (3492, 23425), (3748, 21825), (4365, 18740), (4685, 17460), (4850, 16866), (5622, 14550), (5820, 14055), (7275, 11244), (8433, 9700), (8730, 9370)]