57192940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2939}}^1$

素因数の和:3094

約数の個数: 48

約数和(自身を含む): 138297600

約数和(自身を除く): 81104660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 556, 695, 973, 1390, 1946, 2780, 2939, 3892, 4865, 5878, 9730, 11756, 14695, 19460, 20573, 29390, 41146, 58780, 82292, 102865, 205730, 408521, 411460, 817042, 1634084, 2042605, 2859647, 4085210, 5719294, 8170420, 11438588, 14298235, 28596470, 57192940]

約数ペア:

[(1, 57192940), (2, 28596470), (4, 14298235), (5, 11438588), (7, 8170420), (10, 5719294), (14, 4085210), (20, 2859647), (28, 2042605), (35, 1634084), (70, 817042), (139, 411460), (140, 408521), (278, 205730), (556, 102865), (695, 82292), (973, 58780), (1390, 41146), (1946, 29390), (2780, 20573), (2939, 19460), (3892, 14695), (4865, 11756), (5878, 9730)]