89479880

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{643}}^1$

素因数の和:739

約数の個数: 96

約数和(自身を含む): 237867840

約数和(自身を除く): 148387960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 71, 98, 140, 142, 196, 245, 280, 284, 355, 392, 490, 497, 568, 643, 710, 980, 994, 1286, 1420, 1960, 1988, 2485, 2572, 2840, 3215, 3479, 3976, 4501, 4970, 5144, 6430, 6958, 9002, 9940, 12860, 13916, 17395, 18004, 19880, 22505, 25720, 27832, 31507, 34790, 36008, 45010, 45653, 63014, 69580, 90020, 91306, 126028, 139160, 157535, 180040, 182612, 228265, 252056, 315070, 319571, 365224, 456530, 630140, 639142, 913060, 1260280, 1278284, 1597855, 1826120, 2236997, 2556568, 3195710, 4473994, 6391420, 8947988, 11184985, 12782840, 17895976, 22369970, 44739940, 89479880]

約数ペア:

[(1, 89479880), (2, 44739940), (4, 22369970), (5, 17895976), (7, 12782840), (8, 11184985), (10, 8947988), (14, 6391420), (20, 4473994), (28, 3195710), (35, 2556568), (40, 2236997), (49, 1826120), (56, 1597855), (70, 1278284), (71, 1260280), (98, 913060), (140, 639142), (142, 630140), (196, 456530), (245, 365224), (280, 319571), (284, 315070), (355, 252056), (392, 228265), (490, 182612), (497, 180040), (568, 157535), (643, 139160), (710, 126028), (980, 91306), (994, 90020), (1286, 69580), (1420, 63014), (1960, 45653), (1988, 45010), (2485, 36008), (2572, 34790), (2840, 31507), (3215, 27832), (3479, 25720), (3976, 22505), (4501, 19880), (4970, 18004), (5144, 17395), (6430, 13916), (6958, 12860), (9002, 9940)]