2908780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{263}}^1$

素因数の和:358

約数の個数: 48

約数和(自身を含む): 7096320

約数和(自身を除く): 4187540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 263, 316, 395, 526, 553, 790, 1052, 1106, 1315, 1580, 1841, 2212, 2630, 2765, 3682, 5260, 5530, 7364, 9205, 11060, 18410, 20777, 36820, 41554, 83108, 103885, 145439, 207770, 290878, 415540, 581756, 727195, 1454390, 2908780]

約数ペア:

[(1, 2908780), (2, 1454390), (4, 727195), (5, 581756), (7, 415540), (10, 290878), (14, 207770), (20, 145439), (28, 103885), (35, 83108), (70, 41554), (79, 36820), (140, 20777), (158, 18410), (263, 11060), (316, 9205), (395, 7364), (526, 5530), (553, 5260), (790, 3682), (1052, 2765), (1106, 2630), (1315, 2212), (1580, 1841)]