290203020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{537413}}^1$

素因数の和:537431

約数の個数: 48

約数和(自身を含む): 902855520

約数和(自身を除く): 612652500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 537413, 1074826, 1612239, 2149652, 2687065, 3224478, 4836717, 5374130, 6448956, 8061195, 9673434, 10748260, 14510151, 16122390, 19346868, 24183585, 29020302, 32244780, 48367170, 58040604, 72550755, 96734340, 145101510, 290203020]

約数ペア:

[(1, 290203020), (2, 145101510), (3, 96734340), (4, 72550755), (5, 58040604), (6, 48367170), (9, 32244780), (10, 29020302), (12, 24183585), (15, 19346868), (18, 16122390), (20, 14510151), (27, 10748260), (30, 9673434), (36, 8061195), (45, 6448956), (54, 5374130), (60, 4836717), (90, 3224478), (108, 2687065), (135, 2149652), (180, 1612239), (270, 1074826), (540, 537413)]