331368520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{3391}}^1$

素因数の和:3758

約数の個数: 64

約数和(自身を含む): 854784000

約数和(自身を除く): 523415480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 349, 698, 1396, 1745, 2443, 2792, 3391, 3490, 4886, 6782, 6980, 9772, 12215, 13564, 13960, 16955, 19544, 23737, 24430, 27128, 33910, 47474, 48860, 67820, 94948, 97720, 118685, 135640, 189896, 237370, 474740, 949480, 1183459, 2366918, 4733836, 5917295, 8284213, 9467672, 11834590, 16568426, 23669180, 33136852, 41421065, 47338360, 66273704, 82842130, 165684260, 331368520]

約数ペア:

[(1, 331368520), (2, 165684260), (4, 82842130), (5, 66273704), (7, 47338360), (8, 41421065), (10, 33136852), (14, 23669180), (20, 16568426), (28, 11834590), (35, 9467672), (40, 8284213), (56, 5917295), (70, 4733836), (140, 2366918), (280, 1183459), (349, 949480), (698, 474740), (1396, 237370), (1745, 189896), (2443, 135640), (2792, 118685), (3391, 97720), (3490, 94948), (4886, 67820), (6782, 48860), (6980, 47474), (9772, 33910), (12215, 27128), (13564, 24430), (13960, 23737), (16955, 19544)]