317715440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{2851}}^1$

素因数の和:3070

約数の個数: 80

約数和(自身を含む): 848755200

約数和(自身を除く): 531039760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 199, 280, 398, 560, 796, 995, 1393, 1592, 1990, 2786, 2851, 3184, 3980, 5572, 5702, 6965, 7960, 11144, 11404, 13930, 14255, 15920, 19957, 22288, 22808, 27860, 28510, 39914, 45616, 55720, 57020, 79828, 99785, 111440, 114040, 159656, 199570, 228080, 319312, 399140, 567349, 798280, 1134698, 1596560, 2269396, 2836745, 3971443, 4538792, 5673490, 7942886, 9077584, 11346980, 15885772, 19857215, 22693960, 31771544, 39714430, 45387920, 63543088, 79428860, 158857720, 317715440]

約数ペア:

[(1, 317715440), (2, 158857720), (4, 79428860), (5, 63543088), (7, 45387920), (8, 39714430), (10, 31771544), (14, 22693960), (16, 19857215), (20, 15885772), (28, 11346980), (35, 9077584), (40, 7942886), (56, 5673490), (70, 4538792), (80, 3971443), (112, 2836745), (140, 2269396), (199, 1596560), (280, 1134698), (398, 798280), (560, 567349), (796, 399140), (995, 319312), (1393, 228080), (1592, 199570), (1990, 159656), (2786, 114040), (2851, 111440), (3184, 99785), (3980, 79828), (5572, 57020), (5702, 55720), (6965, 45616), (7960, 39914), (11144, 28510), (11404, 27860), (13930, 22808), (14255, 22288), (15920, 19957)]