679420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 1709568

約数和(自身を除く): 1030148

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 211, 230, 322, 422, 460, 644, 805, 844, 1055, 1477, 1610, 2110, 2954, 3220, 4220, 4853, 5908, 7385, 9706, 14770, 19412, 24265, 29540, 33971, 48530, 67942, 97060, 135884, 169855, 339710, 679420]

約数ペア:

[(1, 679420), (2, 339710), (4, 169855), (5, 135884), (7, 97060), (10, 67942), (14, 48530), (20, 33971), (23, 29540), (28, 24265), (35, 19412), (46, 14770), (70, 9706), (92, 7385), (115, 5908), (140, 4853), (161, 4220), (211, 3220), (230, 2954), (322, 2110), (422, 1610), (460, 1477), (644, 1055), (805, 844)]