77786660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{2909}}^1$

素因数の和:3116

約数の個数: 48

約数和(自身を含む): 187729920

約数和(自身を除く): 109943260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 191, 382, 764, 955, 1337, 1910, 2674, 2909, 3820, 5348, 5818, 6685, 11636, 13370, 14545, 20363, 26740, 29090, 40726, 58180, 81452, 101815, 203630, 407260, 555619, 1111238, 2222476, 2778095, 3889333, 5556190, 7778666, 11112380, 15557332, 19446665, 38893330, 77786660]

約数ペア:

[(1, 77786660), (2, 38893330), (4, 19446665), (5, 15557332), (7, 11112380), (10, 7778666), (14, 5556190), (20, 3889333), (28, 2778095), (35, 2222476), (70, 1111238), (140, 555619), (191, 407260), (382, 203630), (764, 101815), (955, 81452), (1337, 58180), (1910, 40726), (2674, 29090), (2909, 26740), (3820, 20363), (5348, 14545), (5818, 13370), (6685, 11636)]