2750020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1511}}^1$

素因数の和:1540

約数の個数: 48

約数和(自身を含む): 7112448

約数和(自身を除く): 4362428

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1511, 1820, 3022, 6044, 7555, 10577, 15110, 19643, 21154, 30220, 39286, 42308, 52885, 78572, 98215, 105770, 137501, 196430, 211540, 275002, 392860, 550004, 687505, 1375010, 2750020]

約数ペア:

[(1, 2750020), (2, 1375010), (4, 687505), (5, 550004), (7, 392860), (10, 275002), (13, 211540), (14, 196430), (20, 137501), (26, 105770), (28, 98215), (35, 78572), (52, 52885), (65, 42308), (70, 39286), (91, 30220), (130, 21154), (140, 19643), (182, 15110), (260, 10577), (364, 7555), (455, 6044), (910, 3022), (1511, 1820)]