66770620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{937}}^1$

素因数の和:1462

約数の個数: 48

約数和(自身を含む): 160735680

約数和(自身を除く): 93965060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 509, 937, 1018, 1874, 2036, 2545, 3563, 3748, 4685, 5090, 6559, 7126, 9370, 10180, 13118, 14252, 17815, 18740, 26236, 32795, 35630, 65590, 71260, 131180, 476933, 953866, 1907732, 2384665, 3338531, 4769330, 6677062, 9538660, 13354124, 16692655, 33385310, 66770620]

約数ペア:

[(1, 66770620), (2, 33385310), (4, 16692655), (5, 13354124), (7, 9538660), (10, 6677062), (14, 4769330), (20, 3338531), (28, 2384665), (35, 1907732), (70, 953866), (140, 476933), (509, 131180), (937, 71260), (1018, 65590), (1874, 35630), (2036, 32795), (2545, 26236), (3563, 18740), (3748, 17815), (4685, 14252), (5090, 13118), (6559, 10180), (7126, 9370)]