938964880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{72901}}^1$

素因数の和:72944

約数の個数: 80

約数和(自身を含む): 2603476224

約数和(自身を除く): 1664511344

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, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2576, 3220, 6440, 12880, 72901, 145802, 291604, 364505, 510307, 583208, 729010, 1020614, 1166416, 1458020, 1676723, 2041228, 2551535, 2916040, 3353446, 4082456, 5103070, 5832080, 6706892, 8164912, 8383615, 10206140, 11737061, 13413784, 16767230, 20412280, 23474122, 26827568, 33534460, 40824560, 46948244, 58685305, 67068920, 93896488, 117370610, 134137840, 187792976, 234741220, 469482440, 938964880]

約数ペア:

[(1, 938964880), (2, 469482440), (4, 234741220), (5, 187792976), (7, 134137840), (8, 117370610), (10, 93896488), (14, 67068920), (16, 58685305), (20, 46948244), (23, 40824560), (28, 33534460), (35, 26827568), (40, 23474122), (46, 20412280), (56, 16767230), (70, 13413784), (80, 11737061), (92, 10206140), (112, 8383615), (115, 8164912), (140, 6706892), (161, 5832080), (184, 5103070), (230, 4082456), (280, 3353446), (322, 2916040), (368, 2551535), (460, 2041228), (560, 1676723), (644, 1458020), (805, 1166416), (920, 1020614), (1288, 729010), (1610, 583208), (1840, 510307), (2576, 364505), (3220, 291604), (6440, 145802), (12880, 72901)]