38394580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1973}}^1$

素因数の和:2128

約数の個数: 48

約数和(自身を含む): 92856960

約数和(自身を除く): 54462380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 556, 695, 973, 1390, 1946, 1973, 2780, 3892, 3946, 4865, 7892, 9730, 9865, 13811, 19460, 19730, 27622, 39460, 55244, 69055, 138110, 274247, 276220, 548494, 1096988, 1371235, 1919729, 2742470, 3839458, 5484940, 7678916, 9598645, 19197290, 38394580]

約数ペア:

[(1, 38394580), (2, 19197290), (4, 9598645), (5, 7678916), (7, 5484940), (10, 3839458), (14, 2742470), (20, 1919729), (28, 1371235), (35, 1096988), (70, 548494), (139, 276220), (140, 274247), (278, 138110), (556, 69055), (695, 55244), (973, 39460), (1390, 27622), (1946, 19730), (1973, 19460), (2780, 13811), (3892, 9865), (3946, 9730), (4865, 7892)]