2765980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{859}}^1$

素因数の和:898

約数の個数: 48

約数和(自身を含む): 6935040

約数和(自身を除く): 4169060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 859, 1610, 1718, 3220, 3436, 4295, 6013, 8590, 12026, 17180, 19757, 24052, 30065, 39514, 60130, 79028, 98785, 120260, 138299, 197570, 276598, 395140, 553196, 691495, 1382990, 2765980]

約数ペア:

[(1, 2765980), (2, 1382990), (4, 691495), (5, 553196), (7, 395140), (10, 276598), (14, 197570), (20, 138299), (23, 120260), (28, 98785), (35, 79028), (46, 60130), (70, 39514), (92, 30065), (115, 24052), (140, 19757), (161, 17180), (230, 12026), (322, 8590), (460, 6013), (644, 4295), (805, 3436), (859, 3220), (1610, 1718)]