1431220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{10223}}^1$

素因数の和:10239

約数の個数: 24

約数和(自身を含む): 3435264

約数和(自身を除く): 2004044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 10223, 20446, 40892, 51115, 71561, 102230, 143122, 204460, 286244, 357805, 715610, 1431220]

約数ペア:

[(1, 1431220), (2, 715610), (4, 357805), (5, 286244), (7, 204460), (10, 143122), (14, 102230), (20, 71561), (28, 51115), (35, 40892), (70, 20446), (140, 10223)]