40388642

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:343

約数の個数: 48

約数和(自身を含む): 75240000

約数和(自身を除く): 34851358

約数列:

[1, 2, 7, 14, 19, 38, 49, 98, 109, 133, 199, 218, 266, 398, 763, 931, 1393, 1526, 1862, 2071, 2786, 3781, 4142, 5341, 7562, 9751, 10682, 14497, 19502, 21691, 26467, 28994, 43382, 52934, 101479, 151837, 185269, 202958, 303674, 370538, 412129, 824258, 1062859, 2125718, 2884903, 5769806, 20194321, 40388642]

約数ペア:

[(1, 40388642), (2, 20194321), (7, 5769806), (14, 2884903), (19, 2125718), (38, 1062859), (49, 824258), (98, 412129), (109, 370538), (133, 303674), (199, 202958), (218, 185269), (266, 151837), (398, 101479), (763, 52934), (931, 43382), (1393, 28994), (1526, 26467), (1862, 21691), (2071, 19502), (2786, 14497), (3781, 10682), (4142, 9751), (5341, 7562)]