2005115980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{753803}}^1$

素因数の和:753838

約数の個数: 48

約数和(自身を含む): 5065562880

約数和(自身を除く): 3060446900

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 753803, 1507606, 3015212, 3769015, 5276621, 7538030, 10553242, 14322257, 15076060, 21106484, 26383105, 28644514, 52766210, 57289028, 71611285, 100255799, 105532420, 143222570, 200511598, 286445140, 401023196, 501278995, 1002557990, 2005115980]

約数ペア:

[(1, 2005115980), (2, 1002557990), (4, 501278995), (5, 401023196), (7, 286445140), (10, 200511598), (14, 143222570), (19, 105532420), (20, 100255799), (28, 71611285), (35, 57289028), (38, 52766210), (70, 28644514), (76, 26383105), (95, 21106484), (133, 15076060), (140, 14322257), (190, 10553242), (266, 7538030), (380, 5276621), (532, 3769015), (665, 3015212), (1330, 1507606), (2660, 753803)]