1099420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{7853}}^1$

素因数の和:7869

約数の個数: 24

約数和(自身を含む): 2638944

約数和(自身を除く): 1539524

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 7853, 15706, 31412, 39265, 54971, 78530, 109942, 157060, 219884, 274855, 549710, 1099420]

約数ペア:

[(1, 1099420), (2, 549710), (4, 274855), (5, 219884), (7, 157060), (10, 109942), (14, 78530), (20, 54971), (28, 39265), (35, 31412), (70, 15706), (140, 7853)]