17931340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{487}}^1$

素因数の和:766

約数の個数: 48

約数和(自身を含む): 43287552

約数和(自身を除く): 25356212

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 263, 487, 526, 974, 1052, 1315, 1841, 1948, 2435, 2630, 3409, 3682, 4870, 5260, 6818, 7364, 9205, 9740, 13636, 17045, 18410, 34090, 36820, 68180, 128081, 256162, 512324, 640405, 896567, 1280810, 1793134, 2561620, 3586268, 4482835, 8965670, 17931340]

約数ペア:

[(1, 17931340), (2, 8965670), (4, 4482835), (5, 3586268), (7, 2561620), (10, 1793134), (14, 1280810), (20, 896567), (28, 640405), (35, 512324), (70, 256162), (140, 128081), (263, 68180), (487, 36820), (526, 34090), (974, 18410), (1052, 17045), (1315, 13636), (1841, 9740), (1948, 9205), (2435, 7364), (2630, 6818), (3409, 5260), (3682, 4870)]