864220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{6173}}^1$

素因数の和:6189

約数の個数: 24

約数和(自身を含む): 2074464

約数和(自身を除く): 1210244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 6173, 12346, 24692, 30865, 43211, 61730, 86422, 123460, 172844, 216055, 432110, 864220]

約数ペア:

[(1, 864220), (2, 432110), (4, 216055), (5, 172844), (7, 123460), (10, 86422), (14, 61730), (20, 43211), (28, 30865), (35, 24692), (70, 12346), (140, 6173)]