90900460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{547}}^1\times {\mathrm{1187}}^1$

素因数の和:1750

約数の個数: 48

約数和(自身を含む): 218744064

約数和(自身を除く): 127843604

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 547, 1094, 1187, 2188, 2374, 2735, 3829, 4748, 5470, 5935, 7658, 8309, 10940, 11870, 15316, 16618, 19145, 23740, 33236, 38290, 41545, 76580, 83090, 166180, 649289, 1298578, 2597156, 3246445, 4545023, 6492890, 9090046, 12985780, 18180092, 22725115, 45450230, 90900460]

約数ペア:

[(1, 90900460), (2, 45450230), (4, 22725115), (5, 18180092), (7, 12985780), (10, 9090046), (14, 6492890), (20, 4545023), (28, 3246445), (35, 2597156), (70, 1298578), (140, 649289), (547, 166180), (1094, 83090), (1187, 76580), (2188, 41545), (2374, 38290), (2735, 33236), (3829, 23740), (4748, 19145), (5470, 16618), (5935, 15316), (7658, 11870), (8309, 10940)]