39949420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{4259}}^1$

素因数の和:4342

約数の個数: 48

約数和(自身を含む): 97332480

約数和(自身を除く): 57383060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 134, 140, 268, 335, 469, 670, 938, 1340, 1876, 2345, 4259, 4690, 8518, 9380, 17036, 21295, 29813, 42590, 59626, 85180, 119252, 149065, 285353, 298130, 570706, 596260, 1141412, 1426765, 1997471, 2853530, 3994942, 5707060, 7989884, 9987355, 19974710, 39949420]

約数ペア:

[(1, 39949420), (2, 19974710), (4, 9987355), (5, 7989884), (7, 5707060), (10, 3994942), (14, 2853530), (20, 1997471), (28, 1426765), (35, 1141412), (67, 596260), (70, 570706), (134, 298130), (140, 285353), (268, 149065), (335, 119252), (469, 85180), (670, 59626), (938, 42590), (1340, 29813), (1876, 21295), (2345, 17036), (4259, 9380), (4690, 8518)]