28272440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2729}}^1$

素因数の和:2784

約数の個数: 64

約数和(自身を含む): 74692800

約数和(自身を除く): 46420360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 185, 259, 280, 296, 370, 518, 740, 1036, 1295, 1480, 2072, 2590, 2729, 5180, 5458, 10360, 10916, 13645, 19103, 21832, 27290, 38206, 54580, 76412, 95515, 100973, 109160, 152824, 191030, 201946, 382060, 403892, 504865, 706811, 764120, 807784, 1009730, 1413622, 2019460, 2827244, 3534055, 4038920, 5654488, 7068110, 14136220, 28272440]

約数ペア:

[(1, 28272440), (2, 14136220), (4, 7068110), (5, 5654488), (7, 4038920), (8, 3534055), (10, 2827244), (14, 2019460), (20, 1413622), (28, 1009730), (35, 807784), (37, 764120), (40, 706811), (56, 504865), (70, 403892), (74, 382060), (140, 201946), (148, 191030), (185, 152824), (259, 109160), (280, 100973), (296, 95515), (370, 76412), (518, 54580), (740, 38206), (1036, 27290), (1295, 21832), (1480, 19103), (2072, 13645), (2590, 10916), (2729, 10360), (5180, 5458)]