827540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1$

素因数の和:296

約数の個数: 48

約数和(自身を含む): 2080512

約数和(自身を除く): 1252972

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 257, 322, 460, 514, 644, 805, 1028, 1285, 1610, 1799, 2570, 3220, 3598, 5140, 5911, 7196, 8995, 11822, 17990, 23644, 29555, 35980, 41377, 59110, 82754, 118220, 165508, 206885, 413770, 827540]

約数ペア:

[(1, 827540), (2, 413770), (4, 206885), (5, 165508), (7, 118220), (10, 82754), (14, 59110), (20, 41377), (23, 35980), (28, 29555), (35, 23644), (46, 17990), (70, 11822), (92, 8995), (115, 7196), (140, 5911), (161, 5140), (230, 3598), (257, 3220), (322, 2570), (460, 1799), (514, 1610), (644, 1285), (805, 1028)]