1281350

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{523}}^1$

素因数の和:549

約数の個数: 36

約数和(自身を含む): 2777724

約数和(自身を除く): 1496374

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 98, 175, 245, 350, 490, 523, 1046, 1225, 2450, 2615, 3661, 5230, 7322, 13075, 18305, 25627, 26150, 36610, 51254, 91525, 128135, 183050, 256270, 640675, 1281350]

約数ペア:

[(1, 1281350), (2, 640675), (5, 256270), (7, 183050), (10, 128135), (14, 91525), (25, 51254), (35, 36610), (49, 26150), (50, 25627), (70, 18305), (98, 13075), (175, 7322), (245, 5230), (350, 3661), (490, 2615), (523, 2450), (1046, 1225)]