30689386

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1$

素因数の和:168

約数の個数: 72

約数和(自身を含む): 61960140

約数和(自身を除く): 31270754

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 49, 91, 98, 109, 119, 169, 182, 218, 221, 238, 338, 442, 637, 763, 833, 1183, 1274, 1417, 1526, 1547, 1666, 1853, 2366, 2834, 2873, 3094, 3706, 5341, 5746, 8281, 9919, 10682, 10829, 12971, 16562, 18421, 19838, 20111, 21658, 24089, 25942, 36842, 40222, 48178, 69433, 90797, 128947, 138866, 140777, 168623, 181594, 257894, 281554, 313157, 337246, 626314, 902629, 1180361, 1805258, 2192099, 2360722, 4384198, 15344693, 30689386]

約数ペア:

[(1, 30689386), (2, 15344693), (7, 4384198), (13, 2360722), (14, 2192099), (17, 1805258), (26, 1180361), (34, 902629), (49, 626314), (91, 337246), (98, 313157), (109, 281554), (119, 257894), (169, 181594), (182, 168623), (218, 140777), (221, 138866), (238, 128947), (338, 90797), (442, 69433), (637, 48178), (763, 40222), (833, 36842), (1183, 25942), (1274, 24089), (1417, 21658), (1526, 20111), (1547, 19838), (1666, 18421), (1853, 16562), (2366, 12971), (2834, 10829), (2873, 10682), (3094, 9919), (3706, 8281), (5341, 5746)]