79898840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{4259}}^1$

素因数の和:4344

約数の個数: 64

約数和(自身を含む): 208569600

約数和(自身を除く): 128670760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 67, 70, 134, 140, 268, 280, 335, 469, 536, 670, 938, 1340, 1876, 2345, 2680, 3752, 4259, 4690, 8518, 9380, 17036, 18760, 21295, 29813, 34072, 42590, 59626, 85180, 119252, 149065, 170360, 238504, 285353, 298130, 570706, 596260, 1141412, 1192520, 1426765, 1997471, 2282824, 2853530, 3994942, 5707060, 7989884, 9987355, 11414120, 15979768, 19974710, 39949420, 79898840]

約数ペア:

[(1, 79898840), (2, 39949420), (4, 19974710), (5, 15979768), (7, 11414120), (8, 9987355), (10, 7989884), (14, 5707060), (20, 3994942), (28, 2853530), (35, 2282824), (40, 1997471), (56, 1426765), (67, 1192520), (70, 1141412), (134, 596260), (140, 570706), (268, 298130), (280, 285353), (335, 238504), (469, 170360), (536, 149065), (670, 119252), (938, 85180), (1340, 59626), (1876, 42590), (2345, 34072), (2680, 29813), (3752, 21295), (4259, 18760), (4690, 17036), (8518, 9380)]