28031080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{479}}^1$

素因数の和:527

約数の個数: 128

約数和(自身を含む): 82944000

約数和(自身を除く): 54912920

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 19, 20, 22, 28, 35, 38, 40, 44, 55, 56, 70, 76, 77, 88, 95, 110, 133, 140, 152, 154, 190, 209, 220, 266, 280, 308, 380, 385, 418, 440, 479, 532, 616, 665, 760, 770, 836, 958, 1045, 1064, 1330, 1463, 1540, 1672, 1916, 2090, 2395, 2660, 2926, 3080, 3353, 3832, 4180, 4790, 5269, 5320, 5852, 6706, 7315, 8360, 9101, 9580, 10538, 11704, 13412, 14630, 16765, 18202, 19160, 21076, 26345, 26824, 29260, 33530, 36404, 36883, 42152, 45505, 52690, 58520, 63707, 67060, 72808, 73766, 91010, 100111, 105380, 127414, 134120, 147532, 182020, 184415, 200222, 210760, 254828, 295064, 318535, 364040, 368830, 400444, 500555, 509656, 637070, 700777, 737660, 800888, 1001110, 1274140, 1401554, 1475320, 2002220, 2548280, 2803108, 3503885, 4004440, 5606216, 7007770, 14015540, 28031080]

約数ペア:

[(1, 28031080), (2, 14015540), (4, 7007770), (5, 5606216), (7, 4004440), (8, 3503885), (10, 2803108), (11, 2548280), (14, 2002220), (19, 1475320), (20, 1401554), (22, 1274140), (28, 1001110), (35, 800888), (38, 737660), (40, 700777), (44, 637070), (55, 509656), (56, 500555), (70, 400444), (76, 368830), (77, 364040), (88, 318535), (95, 295064), (110, 254828), (133, 210760), (140, 200222), (152, 184415), (154, 182020), (190, 147532), (209, 134120), (220, 127414), (266, 105380), (280, 100111), (308, 91010), (380, 73766), (385, 72808), (418, 67060), (440, 63707), (479, 58520), (532, 52690), (616, 45505), (665, 42152), (760, 36883), (770, 36404), (836, 33530), (958, 29260), (1045, 26824), (1064, 26345), (1330, 21076), (1463, 19160), (1540, 18202), (1672, 16765), (1916, 14630), (2090, 13412), (2395, 11704), (2660, 10538), (2926, 9580), (3080, 9101), (3353, 8360), (3832, 7315), (4180, 6706), (4790, 5852), (5269, 5320)]