2008999720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{547}}^1\times {\mathrm{1009}}^1$

素因数の和:1587

約数の個数: 128

約数和(自身を含む): 5579078400

約数和(自身を除く): 3570078680

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 547, 728, 910, 1009, 1094, 1820, 2018, 2188, 2735, 3640, 3829, 4036, 4376, 5045, 5470, 7063, 7111, 7658, 8072, 10090, 10940, 13117, 14126, 14222, 15316, 19145, 20180, 21880, 26234, 28252, 28444, 30632, 35315, 35555, 38290, 40360, 49777, 52468, 56504, 56888, 65585, 70630, 71110, 76580, 91819, 99554, 104936, 131170, 141260, 142220, 153160, 183638, 199108, 248885, 262340, 282520, 284440, 367276, 398216, 459095, 497770, 524680, 551923, 734552, 918190, 995540, 1103846, 1836380, 1991080, 2207692, 2759615, 3672760, 3863461, 4415384, 5519230, 7174999, 7726922, 11038460, 14349998, 15453844, 19317305, 22076920, 28699996, 30907688, 35874995, 38634610, 50224993, 57399992, 71749990, 77269220, 100449986, 143499980, 154538440, 200899972, 251124965, 286999960, 401799944, 502249930, 1004499860, 2008999720]

約数ペア:

[(1, 2008999720), (2, 1004499860), (4, 502249930), (5, 401799944), (7, 286999960), (8, 251124965), (10, 200899972), (13, 154538440), (14, 143499980), (20, 100449986), (26, 77269220), (28, 71749990), (35, 57399992), (40, 50224993), (52, 38634610), (56, 35874995), (65, 30907688), (70, 28699996), (91, 22076920), (104, 19317305), (130, 15453844), (140, 14349998), (182, 11038460), (260, 7726922), (280, 7174999), (364, 5519230), (455, 4415384), (520, 3863461), (547, 3672760), (728, 2759615), (910, 2207692), (1009, 1991080), (1094, 1836380), (1820, 1103846), (2018, 995540), (2188, 918190), (2735, 734552), (3640, 551923), (3829, 524680), (4036, 497770), (4376, 459095), (5045, 398216), (5470, 367276), (7063, 284440), (7111, 282520), (7658, 262340), (8072, 248885), (10090, 199108), (10940, 183638), (13117, 153160), (14126, 142220), (14222, 141260), (15316, 131170), (19145, 104936), (20180, 99554), (21880, 91819), (26234, 76580), (28252, 71110), (28444, 70630), (30632, 65585), (35315, 56888), (35555, 56504), (38290, 52468), (40360, 49777)]