87860920

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1949}}^1$

素因数の和:1997

約数の個数: 96

約数和(自身を含む): 240084000

約数和(自身を除く): 152223080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 49, 56, 70, 92, 98, 115, 140, 161, 184, 196, 230, 245, 280, 322, 392, 460, 490, 644, 805, 920, 980, 1127, 1288, 1610, 1949, 1960, 2254, 3220, 3898, 4508, 5635, 6440, 7796, 9016, 9745, 11270, 13643, 15592, 19490, 22540, 27286, 38980, 44827, 45080, 54572, 68215, 77960, 89654, 95501, 109144, 136430, 179308, 191002, 224135, 272860, 313789, 358616, 382004, 448270, 477505, 545720, 627578, 764008, 896540, 955010, 1255156, 1568945, 1793080, 1910020, 2196523, 2510312, 3137890, 3820040, 4393046, 6275780, 8786092, 10982615, 12551560, 17572184, 21965230, 43930460, 87860920]

約数ペア:

[(1, 87860920), (2, 43930460), (4, 21965230), (5, 17572184), (7, 12551560), (8, 10982615), (10, 8786092), (14, 6275780), (20, 4393046), (23, 3820040), (28, 3137890), (35, 2510312), (40, 2196523), (46, 1910020), (49, 1793080), (56, 1568945), (70, 1255156), (92, 955010), (98, 896540), (115, 764008), (140, 627578), (161, 545720), (184, 477505), (196, 448270), (230, 382004), (245, 358616), (280, 313789), (322, 272860), (392, 224135), (460, 191002), (490, 179308), (644, 136430), (805, 109144), (920, 95501), (980, 89654), (1127, 77960), (1288, 68215), (1610, 54572), (1949, 45080), (1960, 44827), (2254, 38980), (3220, 27286), (3898, 22540), (4508, 19490), (5635, 15592), (6440, 13643), (7796, 11270), (9016, 9745)]