201270920

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1\times {\mathrm{709}}^1$

素因数の和:918

約数の個数: 64

約数和(自身を含む): 466214400

約数和(自身を除く): 264943480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 151, 188, 235, 302, 376, 470, 604, 709, 755, 940, 1208, 1418, 1510, 1880, 2836, 3020, 3545, 5672, 6040, 7090, 7097, 14180, 14194, 28360, 28388, 33323, 35485, 56776, 66646, 70970, 107059, 133292, 141940, 166615, 214118, 266584, 283880, 333230, 428236, 535295, 666460, 856472, 1070590, 1332920, 2141180, 4282360, 5031773, 10063546, 20127092, 25158865, 40254184, 50317730, 100635460, 201270920]

約数ペア:

[(1, 201270920), (2, 100635460), (4, 50317730), (5, 40254184), (8, 25158865), (10, 20127092), (20, 10063546), (40, 5031773), (47, 4282360), (94, 2141180), (151, 1332920), (188, 1070590), (235, 856472), (302, 666460), (376, 535295), (470, 428236), (604, 333230), (709, 283880), (755, 266584), (940, 214118), (1208, 166615), (1418, 141940), (1510, 133292), (1880, 107059), (2836, 70970), (3020, 66646), (3545, 56776), (5672, 35485), (6040, 33323), (7090, 28388), (7097, 28360), (14180, 14194)]