168705740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{547}}^1\times {\mathrm{2203}}^1$

素因数の和:2766

約数の個数: 48

約数和(自身を含む): 405818112

約数和(自身を除く): 237112372

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 547, 1094, 2188, 2203, 2735, 3829, 4406, 5470, 7658, 8812, 10940, 11015, 15316, 15421, 19145, 22030, 30842, 38290, 44060, 61684, 76580, 77105, 154210, 308420, 1205041, 2410082, 4820164, 6025205, 8435287, 12050410, 16870574, 24100820, 33741148, 42176435, 84352870, 168705740]

約数ペア:

[(1, 168705740), (2, 84352870), (4, 42176435), (5, 33741148), (7, 24100820), (10, 16870574), (14, 12050410), (20, 8435287), (28, 6025205), (35, 4820164), (70, 2410082), (140, 1205041), (547, 308420), (1094, 154210), (2188, 77105), (2203, 76580), (2735, 61684), (3829, 44060), (4406, 38290), (5470, 30842), (7658, 22030), (8812, 19145), (10940, 15421), (11015, 15316)]