83941480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{859}}^1$

素因数の和:1226

約数の個数: 64

約数和(自身を含む): 216720000

約数和(自身を除く): 132778520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 349, 698, 859, 1396, 1718, 1745, 2443, 2792, 3436, 3490, 4295, 4886, 6013, 6872, 6980, 8590, 9772, 12026, 12215, 13960, 17180, 19544, 24052, 24430, 30065, 34360, 48104, 48860, 60130, 97720, 120260, 240520, 299791, 599582, 1199164, 1498955, 2098537, 2398328, 2997910, 4197074, 5995820, 8394148, 10492685, 11991640, 16788296, 20985370, 41970740, 83941480]

約数ペア:

[(1, 83941480), (2, 41970740), (4, 20985370), (5, 16788296), (7, 11991640), (8, 10492685), (10, 8394148), (14, 5995820), (20, 4197074), (28, 2997910), (35, 2398328), (40, 2098537), (56, 1498955), (70, 1199164), (140, 599582), (280, 299791), (349, 240520), (698, 120260), (859, 97720), (1396, 60130), (1718, 48860), (1745, 48104), (2443, 34360), (2792, 30065), (3436, 24430), (3490, 24052), (4295, 19544), (4886, 17180), (6013, 13960), (6872, 12215), (6980, 12026), (8590, 9772)]