2327780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1279}}^1$

素因数の和:1308

約数の個数: 48

約数和(自身を含む): 6021120

約数和(自身を除く): 3693340

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, 1279, 1820, 2558, 5116, 6395, 8953, 12790, 16627, 17906, 25580, 33254, 35812, 44765, 66508, 83135, 89530, 116389, 166270, 179060, 232778, 332540, 465556, 581945, 1163890, 2327780]

約数ペア:

[(1, 2327780), (2, 1163890), (4, 581945), (5, 465556), (7, 332540), (10, 232778), (13, 179060), (14, 166270), (20, 116389), (26, 89530), (28, 83135), (35, 66508), (52, 44765), (65, 35812), (70, 33254), (91, 25580), (130, 17906), (140, 16627), (182, 12790), (260, 8953), (364, 6395), (455, 5116), (910, 2558), (1279, 1820)]