164200260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{390953}}^1$

素因数の和:390972

約数の個数: 48

約数和(自身を含む): 525442176

約数和(自身を除く): 361241916

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 390953, 781906, 1172859, 1563812, 1954765, 2345718, 2736671, 3909530, 4691436, 5473342, 5864295, 7819060, 8210013, 10946684, 11728590, 13683355, 16420026, 23457180, 27366710, 32840052, 41050065, 54733420, 82100130, 164200260]

約数ペア:

[(1, 164200260), (2, 82100130), (3, 54733420), (4, 41050065), (5, 32840052), (6, 27366710), (7, 23457180), (10, 16420026), (12, 13683355), (14, 11728590), (15, 10946684), (20, 8210013), (21, 7819060), (28, 5864295), (30, 5473342), (35, 4691436), (42, 3909530), (60, 2736671), (70, 2345718), (84, 1954765), (105, 1563812), (140, 1172859), (210, 781906), (420, 390953)]