390276880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{193}}^1$

素因数の和:393

約数の個数: 160

約数和(自身を含む): 1094644224

約数和(自身を除く): 704367344

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 157, 161, 184, 193, 230, 280, 314, 322, 368, 386, 460, 560, 628, 644, 772, 785, 805, 920, 965, 1099, 1256, 1288, 1351, 1544, 1570, 1610, 1840, 1930, 2198, 2512, 2576, 2702, 3088, 3140, 3220, 3611, 3860, 4396, 4439, 5404, 5495, 6280, 6440, 6755, 7222, 7720, 8792, 8878, 10808, 10990, 12560, 12880, 13510, 14444, 15440, 17584, 17756, 18055, 21616, 21980, 22195, 25277, 27020, 28888, 30301, 31073, 35512, 36110, 43960, 44390, 50554, 54040, 57776, 60602, 62146, 71024, 72220, 87920, 88780, 101108, 108080, 121204, 124292, 126385, 144440, 151505, 155365, 177560, 202216, 212107, 242408, 248584, 252770, 288880, 303010, 310730, 355120, 404432, 424214, 484816, 497168, 505540, 606020, 621460, 696923, 848428, 1011080, 1060535, 1212040, 1242920, 1393846, 1696856, 2022160, 2121070, 2424080, 2485840, 2787692, 3393712, 3484615, 4242140, 4878461, 5575384, 6969230, 8484280, 9756922, 11150768, 13938460, 16968560, 19513844, 24392305, 27876920, 39027688, 48784610, 55753840, 78055376, 97569220, 195138440, 390276880]

約数ペア:

[(1, 390276880), (2, 195138440), (4, 97569220), (5, 78055376), (7, 55753840), (8, 48784610), (10, 39027688), (14, 27876920), (16, 24392305), (20, 19513844), (23, 16968560), (28, 13938460), (35, 11150768), (40, 9756922), (46, 8484280), (56, 6969230), (70, 5575384), (80, 4878461), (92, 4242140), (112, 3484615), (115, 3393712), (140, 2787692), (157, 2485840), (161, 2424080), (184, 2121070), (193, 2022160), (230, 1696856), (280, 1393846), (314, 1242920), (322, 1212040), (368, 1060535), (386, 1011080), (460, 848428), (560, 696923), (628, 621460), (644, 606020), (772, 505540), (785, 497168), (805, 484816), (920, 424214), (965, 404432), (1099, 355120), (1256, 310730), (1288, 303010), (1351, 288880), (1544, 252770), (1570, 248584), (1610, 242408), (1840, 212107), (1930, 202216), (2198, 177560), (2512, 155365), (2576, 151505), (2702, 144440), (3088, 126385), (3140, 124292), (3220, 121204), (3611, 108080), (3860, 101108), (4396, 88780), (4439, 87920), (5404, 72220), (5495, 71024), (6280, 62146), (6440, 60602), (6755, 57776), (7222, 54040), (7720, 50554), (8792, 44390), (8878, 43960), (10808, 36110), (10990, 35512), (12560, 31073), (12880, 30301), (13510, 28888), (14444, 27020), (15440, 25277), (17584, 22195), (17756, 21980), (18055, 21616)]