290791760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{211}}^1$

素因数の和:361

約数の個数: 160

約数和(自身を含む): 817661952

約数和(自身を除く): 526870192

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 107, 112, 115, 140, 161, 184, 211, 214, 230, 280, 322, 368, 422, 428, 460, 535, 560, 644, 749, 805, 844, 856, 920, 1055, 1070, 1288, 1477, 1498, 1610, 1688, 1712, 1840, 2110, 2140, 2461, 2576, 2954, 2996, 3220, 3376, 3745, 4220, 4280, 4853, 4922, 5908, 5992, 6440, 7385, 7490, 8440, 8560, 9706, 9844, 11816, 11984, 12305, 12880, 14770, 14980, 16880, 17227, 19412, 19688, 22577, 23632, 24265, 24610, 29540, 29960, 33971, 34454, 38824, 39376, 45154, 48530, 49220, 59080, 59920, 67942, 68908, 77648, 86135, 90308, 97060, 98440, 112885, 118160, 135884, 137816, 158039, 169855, 172270, 180616, 194120, 196880, 225770, 271768, 275632, 316078, 339710, 344540, 361232, 388240, 451540, 519271, 543536, 632156, 679420, 689080, 790195, 903080, 1038542, 1264312, 1358840, 1378160, 1580390, 1806160, 2077084, 2528624, 2596355, 2717680, 3160780, 3634897, 4154168, 5192710, 6321560, 7269794, 8308336, 10385420, 12643120, 14539588, 18174485, 20770840, 29079176, 36348970, 41541680, 58158352, 72697940, 145395880, 290791760]

約数ペア:

[(1, 290791760), (2, 145395880), (4, 72697940), (5, 58158352), (7, 41541680), (8, 36348970), (10, 29079176), (14, 20770840), (16, 18174485), (20, 14539588), (23, 12643120), (28, 10385420), (35, 8308336), (40, 7269794), (46, 6321560), (56, 5192710), (70, 4154168), (80, 3634897), (92, 3160780), (107, 2717680), (112, 2596355), (115, 2528624), (140, 2077084), (161, 1806160), (184, 1580390), (211, 1378160), (214, 1358840), (230, 1264312), (280, 1038542), (322, 903080), (368, 790195), (422, 689080), (428, 679420), (460, 632156), (535, 543536), (560, 519271), (644, 451540), (749, 388240), (805, 361232), (844, 344540), (856, 339710), (920, 316078), (1055, 275632), (1070, 271768), (1288, 225770), (1477, 196880), (1498, 194120), (1610, 180616), (1688, 172270), (1712, 169855), (1840, 158039), (2110, 137816), (2140, 135884), (2461, 118160), (2576, 112885), (2954, 98440), (2996, 97060), (3220, 90308), (3376, 86135), (3745, 77648), (4220, 68908), (4280, 67942), (4853, 59920), (4922, 59080), (5908, 49220), (5992, 48530), (6440, 45154), (7385, 39376), (7490, 38824), (8440, 34454), (8560, 33971), (9706, 29960), (9844, 29540), (11816, 24610), (11984, 24265), (12305, 23632), (12880, 22577), (14770, 19688), (14980, 19412), (16880, 17227)]