211461180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{1231}}^1$

素因数の和:1659

約数の個数: 96

約数和(自身を含む): 678881280

約数和(自身を除く): 467420100

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, 409, 420, 818, 1227, 1231, 1636, 2045, 2454, 2462, 2863, 3693, 4090, 4908, 4924, 5726, 6135, 6155, 7386, 8180, 8589, 8617, 11452, 12270, 12310, 14315, 14772, 17178, 17234, 18465, 24540, 24620, 25851, 28630, 34356, 34468, 36930, 42945, 43085, 51702, 57260, 73860, 85890, 86170, 103404, 129255, 171780, 172340, 258510, 503479, 517020, 1006958, 1510437, 2013916, 2517395, 3020874, 3524353, 5034790, 6041748, 7048706, 7552185, 10069580, 10573059, 14097412, 15104370, 17621765, 21146118, 30208740, 35243530, 42292236, 52865295, 70487060, 105730590, 211461180]

約数ペア:

[(1, 211461180), (2, 105730590), (3, 70487060), (4, 52865295), (5, 42292236), (6, 35243530), (7, 30208740), (10, 21146118), (12, 17621765), (14, 15104370), (15, 14097412), (20, 10573059), (21, 10069580), (28, 7552185), (30, 7048706), (35, 6041748), (42, 5034790), (60, 3524353), (70, 3020874), (84, 2517395), (105, 2013916), (140, 1510437), (210, 1006958), (409, 517020), (420, 503479), (818, 258510), (1227, 172340), (1231, 171780), (1636, 129255), (2045, 103404), (2454, 86170), (2462, 85890), (2863, 73860), (3693, 57260), (4090, 51702), (4908, 43085), (4924, 42945), (5726, 36930), (6135, 34468), (6155, 34356), (7386, 28630), (8180, 25851), (8589, 24620), (8617, 24540), (11452, 18465), (12270, 17234), (12310, 17178), (14315, 14772)]