129326120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{211}}^1$

素因数の和:439

約数の個数: 128

約数和(自身を含む): 366336000

約数和(自身を除く): 237009880

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 199, 211, 220, 280, 308, 385, 398, 422, 440, 616, 770, 796, 844, 995, 1055, 1393, 1477, 1540, 1592, 1688, 1990, 2110, 2189, 2321, 2786, 2954, 3080, 3980, 4220, 4378, 4642, 5572, 5908, 6965, 7385, 7960, 8440, 8756, 9284, 10945, 11144, 11605, 11816, 13930, 14770, 15323, 16247, 17512, 18568, 21890, 23210, 27860, 29540, 30646, 32494, 41989, 43780, 46420, 55720, 59080, 61292, 64988, 76615, 81235, 83978, 87560, 92840, 122584, 129976, 153230, 162470, 167956, 209945, 293923, 306460, 324940, 335912, 419890, 461879, 587846, 612920, 649880, 839780, 923758, 1175692, 1469615, 1679560, 1847516, 2309395, 2351384, 2939230, 3233153, 3695032, 4618790, 5878460, 6466306, 9237580, 11756920, 12932612, 16165765, 18475160, 25865224, 32331530, 64663060, 129326120]

約数ペア:

[(1, 129326120), (2, 64663060), (4, 32331530), (5, 25865224), (7, 18475160), (8, 16165765), (10, 12932612), (11, 11756920), (14, 9237580), (20, 6466306), (22, 5878460), (28, 4618790), (35, 3695032), (40, 3233153), (44, 2939230), (55, 2351384), (56, 2309395), (70, 1847516), (77, 1679560), (88, 1469615), (110, 1175692), (140, 923758), (154, 839780), (199, 649880), (211, 612920), (220, 587846), (280, 461879), (308, 419890), (385, 335912), (398, 324940), (422, 306460), (440, 293923), (616, 209945), (770, 167956), (796, 162470), (844, 153230), (995, 129976), (1055, 122584), (1393, 92840), (1477, 87560), (1540, 83978), (1592, 81235), (1688, 76615), (1990, 64988), (2110, 61292), (2189, 59080), (2321, 55720), (2786, 46420), (2954, 43780), (3080, 41989), (3980, 32494), (4220, 30646), (4378, 29540), (4642, 27860), (5572, 23210), (5908, 21890), (6965, 18568), (7385, 17512), (7960, 16247), (8440, 15323), (8756, 14770), (9284, 13930), (10945, 11816), (11144, 11605)]