89039440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:297

約数の個数: 160

約数和(自身を含む): 255983616

約数和(自身を除く): 166944176

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 31, 35, 40, 46, 56, 62, 70, 80, 92, 112, 115, 124, 140, 155, 161, 184, 217, 223, 230, 248, 280, 310, 322, 368, 434, 446, 460, 496, 560, 620, 644, 713, 805, 868, 892, 920, 1085, 1115, 1240, 1288, 1426, 1561, 1610, 1736, 1784, 1840, 2170, 2230, 2480, 2576, 2852, 3122, 3220, 3472, 3565, 3568, 4340, 4460, 4991, 5129, 5704, 6244, 6440, 6913, 7130, 7805, 8680, 8920, 9982, 10258, 11408, 12488, 12880, 13826, 14260, 15610, 17360, 17840, 19964, 20516, 24955, 24976, 25645, 27652, 28520, 31220, 34565, 35903, 39928, 41032, 48391, 49910, 51290, 55304, 57040, 62440, 69130, 71806, 79856, 82064, 96782, 99820, 102580, 110608, 124880, 138260, 143612, 158999, 179515, 193564, 199640, 205160, 241955, 276520, 287224, 317998, 359030, 387128, 399280, 410320, 483910, 553040, 574448, 635996, 718060, 774256, 794995, 967820, 1112993, 1271992, 1436120, 1589990, 1935640, 2225986, 2543984, 2872240, 3179980, 3871280, 4451972, 5564965, 6359960, 8903944, 11129930, 12719920, 17807888, 22259860, 44519720, 89039440]

約数ペア:

[(1, 89039440), (2, 44519720), (4, 22259860), (5, 17807888), (7, 12719920), (8, 11129930), (10, 8903944), (14, 6359960), (16, 5564965), (20, 4451972), (23, 3871280), (28, 3179980), (31, 2872240), (35, 2543984), (40, 2225986), (46, 1935640), (56, 1589990), (62, 1436120), (70, 1271992), (80, 1112993), (92, 967820), (112, 794995), (115, 774256), (124, 718060), (140, 635996), (155, 574448), (161, 553040), (184, 483910), (217, 410320), (223, 399280), (230, 387128), (248, 359030), (280, 317998), (310, 287224), (322, 276520), (368, 241955), (434, 205160), (446, 199640), (460, 193564), (496, 179515), (560, 158999), (620, 143612), (644, 138260), (713, 124880), (805, 110608), (868, 102580), (892, 99820), (920, 96782), (1085, 82064), (1115, 79856), (1240, 71806), (1288, 69130), (1426, 62440), (1561, 57040), (1610, 55304), (1736, 51290), (1784, 49910), (1840, 48391), (2170, 41032), (2230, 39928), (2480, 35903), (2576, 34565), (2852, 31220), (3122, 28520), (3220, 27652), (3472, 25645), (3565, 24976), (3568, 24955), (4340, 20516), (4460, 19964), (4991, 17840), (5129, 17360), (5704, 15610), (6244, 14260), (6440, 13826), (6913, 12880), (7130, 12488), (7805, 11408), (8680, 10258), (8920, 9982)]